TECH
04/04/2010 05:12 am ET | Updated May 25, 2011

Facebook Doppelganger Week: What You Need To Know

Why would your friend insert a photo of a celebrity on her page? It's part of a new trend that recently surfaced on the social networking site called: Doppelganger Week.

But according to CNET News, this phenomenon could violate the site's terms of service.

Read more on Switched.com