Facebook closes off data to competitors: http://techcrunch.com/2013/01/24/my-precious-social-graph/

Lessons in social media from a food truck: http://mashable.com/2013/01/24/social-media-lessons-food-truck/

Pinterest raises another $30mm: http://venturebeat.com/2013/01/24/sv-angel-pinterest/

Twitter's Vine cracks the top 20 on its first day in Apple's App Store: http://techcrunch.com/2013/01/24/vine-just-made-twitter-a-stronger-socia...

Some painful truths about social media: http://pandodaily.com/2013/01/24/social-media-is-a-giant-scam/