Men Sleep Naked and Other Useful Stuff Jawbone Up Can Tell Us

Wearable-tech companies like to tout the benefits of all the activity data they’re gathering. In this case, your sleep habits are pretty … interesting.

News Byte

Dataminr Closes $30 Million Round

Dataminr, one of the more noteworthy startups to comb through and analyze Twitter data, raised $30 million in its third venture round, the company announced. The round, led by Venrock and Institutional Venture Partners, brings Dataminr’s total funds raised to $46.5 million. Dataminr scans the hundreds of millions of tweets sent daily, using algorithms to pinpoint new, noteworthy and otherwise important tweets from influential sources. The company services clients ranging from finance firms on Wall Street to government agencies, among others.

Developers! Facebook Really Wants Your Lifestyle Apps.

The social giant’s bets big on a new class of third-party apps to strengthen its platform.

Twitter Blesses More Companies With “Certified Product” Stamp of Approval

Listen up, developers. This is the sort of stuff Twitter wants you to build.

News Byte

Google’s Asia-Pacific President Alegre to Replace Yahoo-Bound De Castro

Daniel Alegre, who is currently Google’s president of Asia-Pacific and worldwide mobile, will replace outgoing sales exec Henrique De Castro as president of its partners business solutions. De Castro was hired today by Yahoo CEO Marissa Mayer — also an ex-Googler — as COO of the Silicon Valley Internet giant.

The $56 Million Man: Yahoo Confirms Hiring of Google’s De Castro as COO

Yes, that’s a lot of dough for the multi-lingual sales exec.

Big-Data Start-Up GoodData Lands $25 Million Series C Led by Tenaya Capital

There’s a big business in business intelligence. And, naturally, it’s in the cloud.

News Byte

YouTube Opens Streaming Floodgates

YouTube’s move into live streaming took a big step forward today with the initial rollout of YouTube Live, which will integrate the tools for producing and discovering live feeds into the site’s core system for the first time. Google’s video site is also opening its streaming platform to approved YouTube partners and hopes thousands of them will climb aboard. The amount of live programming now warrants its own viewing guide page.

Mobile World Congress Notebook: Battle of the Behemoth Booths

Aiming to capture the flavor of Barcelona, Mobilized’s Ina Fried reports back on some of the more massive booths at Mobile World Congress, including a two-story booth devoted to Android and an entire hall of wares from Sweden’s Ericsson.

Exclusive: Nokia’s Stephen Elop Talks About How He Made His Big OS Decision

In an interview, Nokia’s chief executive talks about the factors that went into choosing among three possibilities for its high-end smartphone business–sticking with plans to develop around MeeGo, shifting to Android or adopting Microsoft’s Windows Phone.

Korea Not Too Keen on Nexus S

Does the FCC Want to Kill Hulu?

Exclusive: Meebo Raises $25M More