Men are from Twitter, women are from Pinterest

Online women are also more likely than online men to use Facebook and Instagram.

WOMEN HAVE historically been more avid users of social media than men. Across most social media platforms - including the biggest Facebook - number of women users have been more than the number of male users. In fact, in November 2010, the gender gap was as large as 15 percentage points. More recent data, however, show that these differences are no longer statistically significant, implying that men are catching up on social media use. Some 73 per cent of online men use social media, which is on par with the 80 per cent of online women who say they do so.
Although the overall percentage of men and women who report using social media is now comparable, there are still some gender differences on specific platforms. Pinterest, Facebook and Instagram have a larger female user base, while online discussion forums like Reddit, Digg or Slashdot attract a greater share of male users. Gender differences on Twitter, Tumblr and LinkedIn are not significant.
Female Internet users are roughly three times as likely as their male counterparts to use Pinterest (44% vs. 16%). But despite this consistent gap, use by males has increased rapidly since 2012, when only 5% of online men said they used this online pinboard.
Online women are also more likely than online men to use Facebook and Instagram. Some 77% of online women are Facebook users, compared with two-thirds of online men. Instagram use follows a similar pattern, with online women being more inclined to use the picture-sharing site than men (31% vs. 24%).
On the other hand, online discussion forums are especially popular among men. One-in-five male internet users say they read or comment on sites such as Reddit, Digg or Slashdot, compared with only 11% of online women. A Pew Research survey from 2013 that only asked Internet users about their Reddit use shows a similar division by gender.
While most of these gender differences tend to be consistent across Pew Research Center surveys, the gender gap for LinkedIn has narrowed over time. Today, a roughly equal proportion of Internet-using men (26%) and women (25%) use the professional networking site. The share of women who use LinkedIn has steadily increased since 2010, when only 12% of women used the platform.