- 17 out of 24 sites (71%) have more female than male users.
- Most male-dominated site? Slashdot then Hacker News and Stack Overflow.
- Most female-dominated site? Pinterest then Goodreads and Blogger.
- Facebook and Twitter have the same gender distribution: 40% male, 60% female.
- The only sites in this survey with more male than female users are Quora, Reddit, Orkut, Github, Stack Overflow, Hacker News and Slashdot.
LinkedIn is a solid business.