1 Report Overview 1.1 Study Scope 1.2 Market Analysis by Type 1.2.1 Global Online Question and Answer Service Market Size Growth Rate by Type: 2016 VS 2021 VS 2027 1.2.2 Real-time Communication Type 1.2.3 Reward-response Type 1.3 Market by Application 1.3.1 Global Online Question and Answer Service Market Share by Application: 2016 VS 2021 VS 2027 1.3.2 Personal User 1.3.3 Business Users 1.3.4 Others 1.4 Study Objectives 1.5 Years Considered 2 Global Growth Trends 2.1 Global Online Question and Answer Service Market Perspective (2016-2027) 2.2 Online Question and Answer Service Growth Trends by Regions 2.2.1 Online Question and Answer Service Market Size by Regions: 2016 VS 2021 VS 2027 2.2.2 Online Question and Answer Service Historic Market Share by Regions (2016-2021) 2.2.3 Online Question and Answer Service Forecasted Market Size by Regions (2022-2027) 2.3 Online Question and Answer Service Industry Dynamic 2.3.1 Online Question and Answer Service Market Trends 2.3.2 Online Question and Answer Service Market Drivers 2.3.3 Online Question and Answer Service Market Challenges 2.3.4 Online Question and Answer Service Market Restraints 3 Competition Landscape by Key Players 3.1 Global Top Online Question and Answer Service Players by Revenue 3.1.1 Global Top Online Question and Answer Service Players by Revenue (2016-2021) 3.1.2 Global Online Question and Answer Service Revenue Market Share by Players (2016-2021) 3.2 Global Online Question and Answer Service Market Share by Company Type (Tier 1, Tier 2 and Tier 3) 3.3 Players Covered: Ranking by Online Question and Answer Service Revenue 3.4 Global Online Question and Answer Service Market Concentration Ratio 3.4.1 Global Online Question and Answer Service Market Concentration Ratio (CR5 and HHI) 3.4.2 Global Top 10 and Top 5 Companies by Online Question and Answer Service Revenue in 2020 3.5 Online Question and Answer Service Key Players Head office and Area Served 3.6 Key Players Online Question and Answer Service Product Solution and Service 3.7 Date of Enter into Online Question and Answer Service Market 3.8 Mergers & Acquisitions, Expansion Plans 4 Online Question and Answer Service Breakdown Data by Type 4.1 Global Online Question and Answer Service Historic Market Size by Type (2016-2021) 4.2 Global Online Question and Answer Service Forecasted Market Size by Type (2022-2027) 5 Online Question and Answer Service Breakdown Data by Application 5.1 Global Online Question and Answer Service Historic Market Size by Application (2016-2021) 5.2 Global Online Question and Answer Service Forecasted Market Size by Application (2022-2027) 6 North America 6.1 North America Online Question and Answer Service Market Size (2016-2027) 6.2 North America Online Question and Answer Service Market Size by Type 6.2.1 North America Online Question and Answer Service Market Size by Type (2016-2021) 6.2.2 North America Online Question and Answer Service Market Size by Type (2022-2027) 6.2.3 North America Online Question and Answer Service Market Size by Type (2016-2027) 6.3 North America Online Question and Answer Service Market Size by Application 6.3.1 North America Online Question and Answer Service Market Size by Application (2016-2021) 6.3.2 North America Online Question and Answer Service Market Size by Application (2022-2027) 6.3.3 North America Online Question and Answer Service Market Size by Application (2016-2027) 6.4 North America Online Question and Answer Service Market Size by Country 6.4.1 North America Online Question and Answer Service Market Size by Country (2016-2021) 6.4.2 North America Online Question and Answer Service Market Size by Country (2022-2027) 6.4.3 United States 6.4.4 Canada 7 Europe 7.1 Europe Online Question and Answer Service Market Size (2016-2027) 7.2 Europe Online Question and Answer Service Market Size by Type 7.2.1 Europe Online Question and Answer Service Market Size by Type (2016-2021) 7.2.2 Europe Online Question and Answer Service Market Size by Type (2022-2027) 7.2.3 Europe Online Question and Answer Service Market Size by Type (2016-2027) 7.3 Europe Online Question and Answer Service Market Size by Application 7.3.1 Europe Online Question and Answer Service Market Size by Application (2016-2021) 7.3.2 Europe Online Question and Answer Service Market Size by Application (2022-2027) 7.3.3 Europe Online Question and Answer Service Market Size by Application (2016-2027) 7.4 Europe Online Question and Answer Service Market Size by Country 7.4.1 Europe Online Question and Answer Service Market Size by Country (2016-2021) 7.4.2 Europe Online Question and Answer Service Market Size by Country (2022-2027) 7.4.3 Germany 7.4.4 France 7.4.5 U.K. 7.4.6 Italy 7.4.7 Russia 7.4.8 Nordic 8 Asia-Pacific 8.1 Asia-Pacific Online Question and Answer Service Market Size (2016-2027) 8.2 Asia-Pacific Online Question and Answer Service Market Size by Type 8.2.1 Asia-Pacific Online Question and Answer Service Market Size by Type (2016-2021) 8.2.2 Asia-Pacific Online Question and Answer Service Market Size by Type (2022-2027) 8.2.3 Asia-Pacific Online Question and Answer Service Market Size by Type (2016-2027) 8.3 Asia-Pacific Online Question and Answer Service Market Size by Application 8.3.1 Asia-Pacific Online Question and Answer Service Market Size by Application (2016-2021) 8.3.2 Asia-Pacific Online Question and Answer Service Market Size by Application (2022-2027) 8.3.3 Asia-Pacific Online Question and Answer Service Market Size by Application (2016-2027) 8.4 Asia-Pacific Online Question and Answer Service Market Size by Region 8.4.1 Asia-Pacific Online Question and Answer Service Market Size by Region (2016-2021) 8.4.2 Asia-Pacific Online Question and Answer Service Market Size by Region (2022-2027) 8.4.3 China 8.4.4 Japan 8.4.5 South Korea 8.4.6 Southeast Asia 8.4.7 India 8.4.8 Australia 9 Latin America 9.1 Latin America Online Question and Answer Service Market Size (2016-2027) 9.2 Latin America Online Question and Answer Service Market Size by Type 9.2.1 Latin America Online Question and Answer Service Market Size by Type (2016-2021) 9.2.2 Latin America Online Question and Answer Service Market Size by Type (2022-2027) 9.2.3 Latin America Online Question and Answer Service Market Size by Type (2016-2027) 9.3 Latin America Online Question and Answer Service Market Size by Application 9.3.1 Latin America Online Question and Answer Service Market Size by Application (2016-2021) 9.3.2 Latin America Online Question and Answer Service Market Size by Application (2022-2027) 9.3.3 Latin America Online Question and Answer Service Market Size by Application (2016-2027) 9.4 Latin America Online Question and Answer Service Market Size by Country 9.4.1 Latin America Online Question and Answer Service Market Size by Country (2016-2021) 9.4.2 Latin America Online Question and Answer Service Market Size by Country (2022-2027) 9.4.3 Mexico 9.4.4 Brazil 10 Middle East & Africa 10.1 Middle East & Africa Online Question and Answer Service Market Size (2016-2027) 10.2 Middle East & Africa Online Question and Answer Service Market Size by Type 10.2.1 Middle East & Africa Online Question and Answer Service Market Size by Type (2016-2021) 10.2.2 Middle East & Africa Online Question and Answer Service Market Size by Type (2022-2027) 10.2.3 Middle East & Africa Online Question and Answer Service Market Size by Type (2016-2027) 10.3 Middle East & Africa Online Question and Answer Service Market Size by Application 10.3.1 Middle East & Africa Online Question and Answer Service Market Size by Application (2016-2021) 10.3.2 Middle East & Africa Online Question and Answer Service Market Size by Application (2022-2027) 10.3.3 Middle East & Africa Online Question and Answer Service Market Size by Application (2016-2027) 10.4 Middle East & Africa Online Question and Answer Service Market Size by Country 10.4.1 Middle East & Africa Online Question and Answer Service Market Size by Country (2016-2021) 10.4.2 Middle East & Africa Online Question and Answer Service Market Size by Country (2022-2027) 10.4.3 Turkey 10.4.4 Saudi Arabia 10.4.5 UAE 11 Key Players Profiles 11.1 Quora 11.1.1 Quora Company Details 11.1.2 Quora Business Overview 11.1.3 Quora Online Question and Answer Service Introduction 11.1.4 Quora Revenue in Online Question and Answer Service Business (2016-2021) 11.1.5 Quora Recent Development 11.2 Beijing Zhizhetianxia Technology Co.,Ltd. 11.2.1 Beijing Zhizhetianxia Technology Co.,Ltd. Company Details 11.2.2 Beijing Zhizhetianxia Technology Co.,Ltd. Business Overview 11.2.3 Beijing Zhizhetianxia Technology Co.,Ltd. Online Question and Answer Service Introduction 11.2.4 Beijing Zhizhetianxia Technology Co.,Ltd. Revenue in Online Question and Answer Service Business (2016-2021) 11.2.5 Beijing Zhizhetianxia Technology Co.,Ltd. Recent Development 11.3 Sina 11.3.1 Sina Company Details 11.3.2 Sina Business Overview 11.3.3 Sina Online Question and Answer Service Introduction 11.3.4 Sina Revenue in Online Question and Answer Service Business (2016-2021) 11.3.5 Sina Recent Development 11.4 Shanghai Zendai Himalaya Network Technology Co., Ltd. 11.4.1 Shanghai Zendai Himalaya Network Technology Co., Ltd. Company Details 11.4.2 Shanghai Zendai Himalaya Network Technology Co., Ltd. Business Overview 11.4.3 Shanghai Zendai Himalaya Network Technology Co., Ltd. Online Question and Answer Service Introduction 11.4.4 Shanghai Zendai Himalaya Network Technology Co., Ltd. Revenue in Online Question and Answer Service Business (2016-2021) 11.4.5 Shanghai Zendai Himalaya Network Technology Co., Ltd. Recent Development 11.5 Hogecloud 11.5.1 Hogecloud Company Details 11.5.2 Hogecloud Business Overview 11.5.3 Hogecloud Online Question and Answer Service Introduction 11.5.4 Hogecloud Revenue in Online Question and Answer Service Business (2016-2021) 11.5.5 Hogecloud Recent Development 11.6 Bytedance 11.6.1 Bytedance Company Details 11.6.2 Bytedance Business Overview 11.6.3 Bytedance Online Question and Answer Service Introduction 11.6.4 Bytedance Revenue in Online Question and Answer Service Business (2016-2021) 11.6.5 Bytedance Recent Development 11.7 Wolters Kluwer 11.7.1 Wolters Kluwer Company Details 11.7.2 Wolters Kluwer Business Overview 11.7.3 Wolters Kluwer Online Question and Answer Service Introduction 11.7.4 Wolters Kluwer Revenue in Online Question and Answer Service Business (2016-2021) 11.7.5 Wolters Kluwer Recent Development 12 Analyst's Viewpoints/Conclusions 13 Appendix 13.1 Research Methodology 13.1.1 Methodology/Research Approach 13.1.2 Data Source 13.2 Disclaimer 13.3 Author Details

List of Tables Table 1. Global Online Question and Answer Service Market Size Growth Rate by Type (US$ Million):2016 VS 2021 VS 2027 Table 2. Key Players of Real-time Communication Type Table 3. Key Players of Reward-response Type Table 4. Global Online Question and Answer Service Market Size Growth by Application (US$ Million): 2016 VS 2021 VS 2027 Table 5. Global Online Question and Answer Service Market Size by Regions (US$ Million): 2016 VS 2021 VS 2027 Table 6. Global Online Question and Answer Service Market Size by Regions (2016-2021) & (US$ Million) Table 7. Global Online Question and Answer Service Market Share by Regions (2016-2021) Table 8. Global Online Question and Answer Service Forecasted Market Size by Regions (2022-2027) & (US$ Million) Table 9. Global Online Question and Answer Service Market Share by Regions (2022-2027) Table 10. Online Question and Answer Service Market Trends Table 11. Online Question and Answer Service Market Drivers Table 12. Online Question and Answer Service Market Challenges Table 13. Online Question and Answer Service Market Restraints Table 14. Global Online Question and Answer Service Revenue by Players (2016-2021) & (US$ Million) Table 15. Global Online Question and Answer Service Market Share by Players (2016-2021) Table 16. Global Top Online Question and Answer Service Players by Company Type (Tier 1, Tier 2 and Tier 3) (based on the Revenue in Online Question and Answer Service as of 2020) Table 17. Ranking of Global Top Online Question and Answer Service Companies by Revenue (US$ Million) in 2020 Table 18. Global 5 Largest Players Market Share by Online Question and Answer Service Revenue (CR5 and HHI) & (2016-2021) Table 19. Key Players Headquarters and Area Served Table 20. Key Players Online Question and Answer Service Product Solution and Service Table 21. Date of Enter into Online Question and Answer Service Market Table 22. Mergers & Acquisitions, Expansion Plans Table 23. Global Online Question and Answer Service Market Size by Type (2016-2021) (US$ Million) Table 24. Global Online Question and Answer Service Revenue Market Share by Type (2016-2021) Table 25. Global Online Question and Answer Service Forecasted Market Size by Type (2022-2027) (US$ Million) Table 26. Global Online Question and Answer Service Revenue Market Share by Type (2022-2027) & (US$ Million) Table 27. Global Online Question and Answer Service Market Size Share by Application (2016-2021) & (US$ Million) Table 28. Global Online Question and Answer Service Revenue Market Share by Application (2016-2021) Table 29. Global Online Question and Answer Service Forecasted Market Size by Application (2022-2027) (US$ Million) Table 30. Global Online Question and Answer Service Revenue Market Share by Application (2022-2027) & (US$ Million) Table 31. North America Online Question and Answer Service Market Size by Type (2016-2021) (US$ Million) Table 32. North America Online Question and Answer Service Market Size by Type (2022-2027) & (US$ Million) Table 33. North America Online Question and Answer Service Market Size by Application (2016-2021) (US$ Million) Table 34. North America Online Question and Answer Service Market Size by Application (2022-2027) & (US$ Million) Table 35. North America Online Question and Answer Service Market Size by Country (2016-2021) & (US$ Million) Table 36. North America Online Question and Answer Service Market Size by Country (2022-2027) & (US$ Million) Table 37. Europe Online Question and Answer Service Market Size by Type (2016-2021) (US$ Million) Table 38. Europe Online Question and Answer Service Market Size by Type (2022-2027) & (US$ Million) Table 39. Europe Online Question and Answer Service Market Size by Application (2016-2021) (US$ Million) Table 40. Europe Online Question and Answer Service Market Size by Application (2022-2027) & (US$ Million) Table 41. Europe Online Question and Answer Service Market Size by Country (2016-2021) & (US$ Million) Table 42. Europe Online Question and Answer Service Market Size by Country (2022-2027) & (US$ Million) Table 43. Asia-Pacific Online Question and Answer Service Market Size by Type (2016-2021) (US$ Million) Table 44. Asia-Pacific Online Question and Answer Service Market Size by Type (2022-2027) & (US$ Million) Table 45. Asia-Pacific Online Question and Answer Service Market Size by Application (2016-2021) (US$ Million) Table 46. Asia-Pacific Online Question and Answer Service Market Size by Application (2022-2027) & (US$ Million) Table 47. Asia-Pacific Online Question and Answer Service Market Size by Region (2016-2021) & (US$ Million) Table 48. Asia-Pacific Online Question and Answer Service Market Size by Region (2022-2027) & (US$ Million) Table 49. Latin America Online Question and Answer Service Market Size by Type (2016-2021) (US$ Million) Table 50. Latin America Online Question and Answer Service Market Size by Type (2022-2027) & (US$ Million) Table 51. Latin America Online Question and Answer Service Market Size by Application (2016-2021) (US$ Million) Table 52. Latin America Online Question and Answer Service Market Size by Application (2022-2027) & (US$ Million) Table 53. Latin America Online Question and Answer Service Market Size by Country (2016-2021) & (US$ Million) Table 54. Latin America Online Question and Answer Service Market Size by Country (2022-2027) & (US$ Million) Table 55. Middle East & Africa Online Question and Answer Service Market Size by Type (2016-2021) (US$ Million) Table 56. Middle East & Africa Online Question and Answer Service Market Size by Type (2022-2027) & (US$ Million) Table 57. Middle East & Africa Online Question and Answer Service Market Size by Application (2016-2021) (US$ Million) Table 58. Middle East & Africa Online Question and Answer Service Market Size by Application (2022-2027) & (US$ Million) Table 59. Middle East & Africa Online Question and Answer Service Market Size by Country (2016-2021) & (US$ Million) Table 60. Middle East & Africa Online Question and Answer Service Market Size by Country (2022-2027) & (US$ Million) Table 61. Quora Company Details Table 62. Quora Business Overview Table 63. Quora Online Question and Answer Service Product Table 64. Quora Revenue in Online Question and Answer Service Business (2016-2021) & (US$ Million) Table 65. Quora Recent Development Table 66. Beijing Zhizhetianxia Technology Co.,Ltd. Company Details Table 67. Beijing Zhizhetianxia Technology Co.,Ltd. Business Overview Table 68. Beijing Zhizhetianxia Technology Co.,Ltd. Online Question and Answer Service Product Table 69. Beijing Zhizhetianxia Technology Co.,Ltd. Revenue in Online Question and Answer Service Business (2016-2021) & (US$ Million) Table 70. Beijing Zhizhetianxia Technology Co.,Ltd. Recent Development Table 71. Sina Company Details Table 72. Sina Business Overview Table 73. Sina Online Question and Answer Service Product Table 74. Sina Revenue in Online Question and Answer Service Business (2016-2021) & (US$ Million) Table 75. Sina Recent Development Table 76. Shanghai Zendai Himalaya Network Technology Co., Ltd. Company Details Table 77. Shanghai Zendai Himalaya Network Technology Co., Ltd. Business Overview Table 78. Shanghai Zendai Himalaya Network Technology Co., Ltd. Online Question and Answer Service Product Table 79. Shanghai Zendai Himalaya Network Technology Co., Ltd. Revenue in Online Question and Answer Service Business (2016-2021) & (US$ Million) Table 80. Shanghai Zendai Himalaya Network Technology Co., Ltd. Recent Development Table 81. Hogecloud Company Details Table 82. Hogecloud Business Overview Table 83. Hogecloud Online Question and Answer Service Product Table 84. Hogecloud Revenue in Online Question and Answer Service Business (2016-2021) & (US$ Million) Table 85. Hogecloud Recent Development Table 86. Bytedance Company Details Table 87. Bytedance Business Overview Table 88. Bytedance Online Question and Answer Service Product Table 89. Bytedance Revenue in Online Question and Answer Service Business (2016-2021) & (US$ Million) Table 90. Bytedance Recent Development Table 91. Wolters Kluwer Company Details Table 92. Wolters Kluwer Business Overview Table 93. Wolters Kluwer Online Question and Answer Service Product Table 94. Wolters Kluwer Revenue in Online Question and Answer Service Business (2016-2021) & (US$ Million) Table 95. Wolters Kluwer Recent Development Table 96. Research Programs/Design for This Report Table 97. Key Data Information from Secondary Sources Table 98. Key Data Information from Primary Sources List of Figures Figure 1. Global Online Question and Answer Service Market Share by Type: 2020 VS 2027 Figure 2. Real-time Communication Type Features Figure 3. Reward-response Type Features Figure 4. Global Online Question and Answer Service Market Share by Application: 2020 VS 2027 Figure 5. Personal User Case Studies Figure 6. Business Users Case Studies Figure 7. Others Case Studies Figure 8. Online Question and Answer Service Report Years Considered Figure 9. Global Online Question and Answer Service Market Size (US$ Million), Year-over-Year: 2016-2027 Figure 10. Global Online Question and Answer Service Market Size (US$ Million), 2016 VS 2021 VS 2027 Figure 11. Global Online Question and Answer Service Market Share by Regions: 2020 VS 2027 Figure 12. Global Online Question and Answer Service Market Share by Regions (2022-2027) Figure 13. Global Online Question and Answer Service Market Share by Players in 2020 Figure 14. Global Top Online Question and Answer Service Players by Company Type (Tier 1, Tier 2 and Tier 3) (based on the Revenue in Online Question and Answer Service as of 2020 Figure 15. The Top 10 and 5 Players Market Share by Online Question and Answer Service Revenue in 2020 Figure 16. Global Online Question and Answer Service Revenue Market Share by Type (2016-2021) Figure 17. Global Online Question and Answer Service Revenue Market Share by Type (2022-2027) Figure 18. North America Online Question and Answer Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 19. North America Online Question and Answer Service Market Share by Type (2016-2027) Figure 20. North America Online Question and Answer Service Market Share by Application (2016-2027) Figure 21. North America Online Question and Answer Service Market Share by Country (2016-2027) Figure 22. United States Online Question and Answer Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 23. Canada Online Question and Answer Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 24. Europe Online Question and Answer Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 25. Europe Online Question and Answer Service Market Share by Type (2016-2027) Figure 26. Europe Online Question and Answer Service Market Share by Application (2016-2027) Figure 27. Europe Online Question and Answer Service Market Share by Country (2016-2027) Figure 28. Germany Online Question and Answer Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 29. France Online Question and Answer Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 30. U.K. Online Question and Answer Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 31. Italy Online Question and Answer Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 32. Russia Online Question and Answer Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 33. Nordic Online Question and Answer Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 34. Asia-Pacific Online Question and Answer Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 35. Asia-Pacific Online Question and Answer Service Market Share by Type (2016-2027) Figure 36. Asia-Pacific Online Question and Answer Service Market Share by Application (2016-2027) Figure 37. Asia-Pacific Online Question and Answer Service Market Share by Region (2016-2027) Figure 38. China Online Question and Answer Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 39. Japan Online Question and Answer Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 40. South Korea Online Question and Answer Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 41. Southeast Asia Online Question and Answer Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 42. India Online Question and Answer Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 43. Australia Online Question and Answer Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 44. Latin America Online Question and Answer Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 45. Latin America Online Question and Answer Service Market Share by Type (2016-2027) Figure 46. Latin America Online Question and Answer Service Market Share by Application (2016-2027) Figure 47. Latin America Online Question and Answer Service Market Share by Country (2016-2027) Figure 48. Mexico Online Question and Answer Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 49. Brazil Online Question and Answer Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 50. Middle East & Africa Online Question and Answer Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 51. Middle East & Africa Online Question and Answer Service Market Share by Type (2016-2027) Figure 52. Middle East & Africa Online Question and Answer Service Market Share by Application (2016-2027) Figure 53. Middle East & Africa Online Question and Answer Service Market Share by Country (2016-2027) Figure 54. Turkey Online Question and Answer Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 55. Saudi Arabia Online Question and Answer Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 56. UAE Online Question and Answer Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 57. Quora Revenue Growth Rate in Online Question and Answer Service Business (2016-2021) Figure 58. Beijing Zhizhetianxia Technology Co.,Ltd. Revenue Growth Rate in Online Question and Answer Service Business (2016-2021) Figure 59. Sina Revenue Growth Rate in Online Question and Answer Service Business (2016-2021) Figure 60. Shanghai Zendai Himalaya Network Technology Co., Ltd. Revenue Growth Rate in Online Question and Answer Service Business (2016-2021) Figure 61. Hogecloud Revenue Growth Rate in Online Question and Answer Service Business (2016-2021) Figure 62. Bytedance Revenue Growth Rate in Online Question and Answer Service Business (2016-2021) Figure 63. Wolters Kluwer Revenue Growth Rate in Online Question and Answer Service Business (2016-2021) Figure 64. Bottom-up and Top-down Approaches for This Report Figure 65. Data Triangulation Figure 66. Key Executives Interviewed