• Tumblr’s Big Brand Bet

    Tumblr’s big and it’s getting bigger. It’s now ready to run advertising, only it doesn’t want to be part of the overall Internet ad system.


  • Circa Wants to Reinvent News

    Circa has big-name backers who think it can find a business model for news. Hint: It’s mobile, and isn’t about banner ads.


  • Inside The AP’s Social Strategy

    The AP is one of the world’s most important resources of information. Here’s how it uses social media to get that information out.


  • Top Mags on Twitter Skip Engagement

    People, Time and a select group of magazines have more than 1 million Twitter followers. Contrary to social media advice, they’re skipping the conversation to pump out headlines.