2012 Obsessions: Lena Dunham, YOLO And More (PHOTOS)

12/20/2012 05:17 pm ET | Updated Feb 19, 2013

From Clint Eastwood's RNC speech to the popularization of "YOLO," plenty of strange, often internet-driven obsessions occupied people's thoughts and computer screens, some for a frenzied month, and others all year long.

2012 Obessions

This story appears in the year-end photo issue of our weekly iPad magazine, Huffington, in the iTunes App store, available Friday, Dec. 28.