Popsugar Culture Facebook Facebook Year in Review 2015 Can You Guess the 10 Most Popular Topics on Facebook in 2015? December 15, 2015 by Ann-Marie Alcántara View On One Page Photo 1 of 12 ADVERTISEMENT () Start Slideshow I’m running for president. Everyday Americans need a champion. And I want to be that champion. -Hhttps://hillaryclinton.com/join/Posted by Hillary Clinton on Sunday, April 12, 2015 Share This Link Copy ← Use Arrow Keys → 1 1. US Presidential Election Previous Next Start Slideshow