Google co-founder backs major Parkinson’s study —  Sergey Brin says he plans to contribute money and DNA to a study run by his wife Anne Wojcicki’s startup 23andMe.

Dockers introduces shakable iPhone ad — Users can shake their iPhones to make urban street dancer Dufon perform his moves. The ad was created by mobile ad company Medialets.

Twofish launches analytics platform for social games — The company’s Elements platform will help social game and virtual world developers understand and make more money from their virtual economies. Inside Social Games says the tools are “very powerful.”

Mayfield Fund has appointed Kendall Cooper as chief financial officer — Cooper joins Mayfield from Dominion Ventures, where he held the same title.

Oprah to interview Zuckerberg tomorrow — The talk show host will probably ask Zuckerberg to demo the show’s new Facebook page, according to the Wall Street Journal.

Jason Calacanis offers $250,000 for a prominent spot on Twitter — The Mahalo founder predicts that having a profile that’s promoted through Twitter’s “suggested users” feature will be worth “$1 million — Super Bowl commercial level” in five years.

Microsoft exec appointed to protect nation’s computers — Philip Reitinger, who currently has the unwieldy title of chief trustworthy infrastructure strategist at Microsoft, has been given a spot in the Department of Homeland Security, where it will be his responsibility to protect federal computing systems.

The switch to daylight savings time costs the U.S. $480M — At least according to RescueTime, which extrapolated from data collected by its time tracking software.

Adify updates its platform for building and managing ad networks — The company says Adify 4.0 allows advertisers to track the success of up to four conversion points after a user has clicked on an ad.

imeem CEO on monetizing social networks — In the video, Dalton Caldwell talks to hypebot about the music-focused social network service, and outlines (vaguely) some of the targeted advertising projects coming later this year.

Plaxo adds comments in activity feeds
— The social networking site also announced integration with travel site TripIt.