Forbes ponders whether or not social sharing buttons are the future of online advertising.
MarketingLand reports that even though Google+ has 170 million users now, engagement is down by 30%.
Slate?breaks down the details of the?Facebook IPO and explains what it means?for the average Faceook user.
Forbes?also examines GM’s failed Facebook Ad campaign and why they pulled their $10 Million account.
CrowdSpring offers small businesses a primer for starting a Pinterest account.
Twitter starts offering a new weekly email digest to help spark conversation and aid discovery.