Tumblr is a pretty big deal these days. In January, it hit a major threshold by announcing that the site sees 15 billion pageviews a month. That’s a lot of posts to sift through if you want to find major …

Twitter is now offering access to 30 days of historical tweets through Gnip. The service, called 30-Day Replay, would be a handy tool for companies that already keep an eye on their social media presence but need to do some …

There are some interesting things going on with Twitter this week, and while they may not be as sexy as Facebook’s news, they could have a pretty big impact on the way Twitter is used by developers and marketers. 

The Data