This infographic comes from Gigya, and explores which social networks have gained traction in the social login and sharing space.
Some key facts:
Facebook has 52% of social login share, Google+ 24%, Twitter only 4%
Facebook has 79% of social login share for ecommerce, Google 12%, Twitter only 4%
Facebook has 44% of media/publishing social logins, Google 28%, Twitter 4%
Facebook has 67% of social logins for consumer brand websites, Google+ 22%, Twitter 3%
Facebook has 50% share of social sharing, Twitter 24%, Pinterest 16%, G+ only 2%
Facebook takes 37% of social sharing for ecommerce sites vs. 41% for Pinterest, 17% for Twitter
Facebook takes 52% of social shares for media and publishing sites, Twitter 23%, G+ only 2%
