The Most Discussed Topics On Facebook During 2015

What did Facebook members discuss the most during 2015? It wasn't all lolcats, music, selfies, and humor. The social networking giant published its list of most discussed global topics:

1. U.S. Presidential Election
2. November 13 Attacks in Paris
3. Syrian Civil War & Refugee Crisis
4. Nepal Earthquakes
5. Greek Debt Crisis
6. Marriage Equality
7. Fight Against ISIS
8. Charlie Hebdo Attack
9. Baltimore Protests
10. Charleston Shooting & Flag Debate