Here’s the latest action:

Teenager admits creating Twitter worm — An Easter twitter worm infected at least hundreds of users when they visited certain pages of Twitter members. Turns out, it was created by by Mikeyy Mooney, a 17-year-old from Brooklyn, New York, the owner of StalkDaily.com, who said he was looking for a way to make money. The worm left messages promoting his site, StalkDaily. Mooney released a second worm Sunday and he said more may be on the way. He should expect a visit from the FBI. Twitter responds here.

In boost for Detroit, Obama will buy fuel-efficient fleet for Uncle Sam — At least somebody is buying American-made cars. The Washington Post has more.

Visa introduces a credit card on a phone — The company’s phone-based credit card system makes its debut in Malaysia. The New York Times has more.

Silicon Valley’s biggest companies take a hit — In 2008, Silicon Valley’s top 150 companies saw their sales decline. And the IPO well was dry. The Mercury News has more.

And another IPO gets canceled —  Current Media, operator of the Current TV cable channel, has canceled its long-postponed IPO. This means that chairman Al Gore will have to wait for his post-Nobel Prize payday. TechCrunch has more.

The iPhone takes its toll on traditional games — Nintendo is shooting for quality, while Apple is letting just about anyone make iPhone games. But Nintendo is taking note of the iPhone’s progress in the game market. The LA Times has more.

The Eyeborg is here; move over Ahh-nold — Canadian filmmaker Rob Spence is putting a camera in his prosthetic eye. New Scientist has more. (Image: Team Eyeborg).

Will Skype co-founders buy it back from eBay? — The European duo who created the Internet phone service have approached private equity firms about buying Skype back. Hopefully they won’t be paying the $2.6 billion price eBay originally paid them. The New York times has more.

Magpie is paying Twitter users to tweet about advertisers’ products — Companies whose products are being touted include Apple, Skype, Kodak, Cisco, Adobe, Roxio, PC Tools, and Box.net.

Tech immigration rules still causing big headaches — Sanjay Mavinkurve is a brilliant Google engineer, but he has to live in Canada instead of the U.S. because his wife hasn’t been able to get a U.S. visa. The New York Times has more.