Around the Web 4.29.09: sinking AOL ad revenue, an investigation into Google, a high school unplugs

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This class is pledging to go without texting, Facebook and other modern essentials. Credit: Christine Cotter / Los Angeles Times.

— Google’s settlement with publishers over its Book Search leads to an antitrust inquiry, insiders say. NYT

— College admissions officers are looking at students’ social networking pages to make decisions about admission and financial aid. LAT

— A class in an L.A. high school tries to go a week totally unplugged. Can they handle it? LAT

— Nielson Online says that 60% of Twitter users quit after a month. Will Oprah be one of the quitters? Silicon Alley Insider

— An Egyptian blogger tries social activism over Facebook. Results are mixed. LAT

— Palm might premiere the Pre the day before Apple announces a new version of the iPhone. MobileCrunch

— AOL ad revenue drops 20%, and Time Warner says it plans to spin off the Internet company. Bloomberg via LAT

— But its content business — Media Glow — is expanding. Journalists, take note. Silicon Alley Insider

— IAC buys the company that makes the popular iPhone app UrbanSpoon. TechCrunch

— ESPN.com is taken over by pink dancing unicorns and glittery ponies. Just what men love. Deadspin

— Alana Semuels