@clssfds: Top story: Facebook Introduces Riff: This Week in Social Media | Social Media E… http://www.socialmediaexaminer.com/facebook-introduces-riff-news …, see more http://tweetedtimes.com/v/3154?s=tnp 

Top story: Facebook Introduces Riff: This Week in Social Media | Social Media E… http://www.socialmediaexaminer.com/facebook-introduces-riff-news …, see more http://tweetedtimes.com/v/3154?s=tnp