Eli Langer is a producer for CNBC's social media team, helping maintain the company's social platforms and writing about the growing world of social media for CNBC.com.
Google+ : +Eli Langer
Twitter says it fully reversed changes to its controversial "block" feature, but did it?
A Facebook page is using a tried-and-true strategy to hook in new fans.
Facebook has more monthly active users than Twitter and LinkedIn combined. But in the grand scheme of things, does it have what it takes to outlast the smaller social networks?