On the eve of Twitter¿s much hyped initial public offering, Randi Zuckerberg, sister of Facebook founder Mark Zuckerberg, tells CNBC that video is the best way social media companies can engage ... more 
On the eve of Twitter¿s much hyped initial public offering, Randi Zuckerberg, sister of Facebook founder Mark Zuckerberg, tells CNBC that video is the best way social media companies can engage users. less 
1 / 29
CNBC Videos
Wed, Nov 6, 2013 12:53 PM EST