"Facebook continued solidify its position as the dominate identity provider on the web in Q3 2014. The social network's updates to Facebook Login earlier this year seem to be making a positive impact on Facebook identity across the web, with users now able to select the data they share with sites and apps with line-by-line controls.
Meanwhile, Google/Google+ saw a slight dip in its usage in Q3, dipping below 25 percent for the first time in over a year. Yahoo, once a prominent identity provider, dipped will under 10 percent for the first time in nearly three years."
Take a look at this infographic from Gigya for more insights on how consumers used Social Login across the web and mobile devices in Q3 2014 (July - September).
Click image to enlarge.