Zynga and Facebook pull away from each other, Pinterest beefs up its engineering team, YouTube hits one billion monthly users and more social-media news.
YouTube's plans for its new music service, Twitter business strategies, the reason why blogs beat social networks among consumers and more social-media news.
Why Pinterest has decided to work on increasing revenue, how Twitter changed its search function, why Facebook users are getting sick of Facebook and more social-media news.
From a new take on networking to insider tips from Richard Branson, Mark Cuban and Marissa Mayer, here are the stories that became our reader favorites this year.
If you're interested in getting started on Pinterest, but don't know where to begin, consider the following ideas for boards that can help build your brand.