From the outside, Dropbox looks occupied with launches these days. It came out with a big redesign this month, then followed up quickly with a new way to share files with Facebook friends. But the company is busy with a lot of internal growth, too.

Don’t stop the music. It seems obvious, but MOG is the first of the big music streaming services to get this right on a tablet. Today MOG officially releases its iPad app , and it includes MOG Radio which when enabled will continue to play songs after your currently queued tracks finish.

Say you’re sitting at your laptop, listening to music while responding to emails, writing code, or reading blogs. Then your phone rings, and the typical scramble ensues: You minimize your browser, maximize your music app, and search frantically for the pause button or volume control — all, hopefully, before you miss the call. Sound familiar?

The model for how women purchase clothing is essentially broken. Because it is an ever-changing status symbol and subject to trends, fashion is not exactly like any other goods.

Blackboard , the maker of learning and education software for enterprises and schools, has acquired Moodlerooms and NetSpot, two providers of open source online learning technology. Financial terms were not disclosed.

ThinkUp App , the open source web application born out of the non-profit Expert Labs that lets you capture, store and analyze your activity across various social networking sites, has rebooted as a commercial entity. ThinkUp the company will be headed up by Lifehacker founding editor Gina Trapani and famed early blogger and entrepreneur Anil Dash , who have been working together on Expert Labs since 2009 . Expert Labs, meanwhile, will be shutting down, according to blog posts by Trapani and Dash .

Some advertisers are seeing a prominent new “contact us” button in Facebook’s self-serve ad dashboard. According to the site, the global marketing solutions team will strive to respond to all questions within four hours.

A recent post by a defecting Googler (at his new and previous home, Microsoft) suggests that a fundamental reordering of Google’s priorities has made it far less than the company it once was. A sudden comprehension of the danger posed by Facebook’s ever-expanding platform caused the company to enter a sort of berserker state, focusing solely on reinventing social while neglecting or amputating anything that didn’t fit into its new mission. Or so the tale goes.

Online marketers and advertising are getting access to more and more data, but that’s not enough, according to the 2012 Digital Marketing 2.0 Study commissioned by ad company  DataXu . More than 350 “enterprise decision makers” in management, marketing, communications, digital, IT and social media were surveyed, and 75 percent of them said that data will help them improve their businesses. However, 58 percent said they didn’t have the skills and technology needed to analyze marketing data, while more than 70 percent said the same about customer data

Facebook is on its way to having a billion members, but it’s not always making friends everywhere it goes.