Watch: Sebastian Thrun Leaves Stanford to Teach Online

Stanford and Google’s Sebastian Thrun announced on stage that he is giving up his tenured professorship to teach free online courses at a new start-up he’s founded, called Udacity.
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Millennial Media Tries Cashing In on Mobile Ad Boom With IPO

It’s the first player in the small, rapidly growing mobile ad business to go public instead of selling to a bigger fish.
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Yammer Poaches Another VP From Salesforce.com

Once is a fluke, but two in as many months begins to look like a pattern.
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News Byte

Orchestra Raises a Quick $5M for Social To-Do App

Orchestra, which calls its iPhone and Web productivity and collaboration app “group chat disguised as a to-do list,” has raised $5 million in funding less than two months after it launched (we broke the news here). The new funding for the Palo Alto, Calif.-based company led by Apple and Ideo alums comes from Charles River Ventures and SV Angel.

API Marketplace Mashape Raises Funding

Mashape, an up-and-coming marketplace for APIs, has raised $1.5 million in seed funding — which, given some of the names backing it, seems like a pretty small amount.
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Exclusive: Yammer Now Works With Salesforce.com

Yammer, once known as a “Twitter for Work,” is transforming itself a key player in the fast-growing business of making enterprise applications more social.
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Meet Evan Reas of LAL and His Proximity-Based Social Graph for Colleges (Video)

The start-up LikeALittle, or LAL, had fended off NetworkEffect’s reportorial advances for weeks. Funny, considering the site helps people flirt with one another.

Formspring Absorbs What's Left of Q&A Competitor PeerPong: The People

Q&A start-up PeerPong has closed, and competitor Formspring has already picked up PeerPong CEO Ro Choy to serve as its COO.

Ladies and Gentlemen, Open Your Checkbooks: It's Demo Day Season!

This week is Y Combinator’s Demo Day sessions (NetworkEffect will be in Mountain View, CA, for coverage on Tuesday), followed by those of AngelPad, 500 Startups and Tech Stars New York in the coming weeks.

Massive Health Raises $2.25 Million From Massive List of Investors

Massive Health, the new start-up from former Firefox creative lead Aza Raskin, announced this morning it has raised $2.25 million in seed funding.

Scribd Raises $13M More for Web Docs

Millennial Media Acquires TapMetrics

Yammer Grabs $10 Million More in Funding