Each year, millions of people post on Facebook to share what's important to them, discuss world events, or just catch up with friends. With more than 800 million people connected around the globe on Facebook, news about the world's triumphs and tragedies spreads fast. Memology takes the pulse of this global community by comparing this year's status updates to last year's, unearthing the most popular topics and cultural trends - or memes - emerging on Facebook.