The Ticker: Perry on Letterman; What we Like; NYT’s Paper Cuts; Kutcher relinquishes Twitter; Penn State

ReutersPerry’s does Letterman’s “Top Ten” excuses for gaffe

AllFacebook: Do Facebook Users Even Know What They Like?

New York ObserverJohn Williams Hired to Revive Online Book Coverage at The New York Times

FishbowlLAAshton Kutcher Hands Twitter Account Over to Flacks

Philadelphia InquirerPR experts: Penn State’s image took a self-inflicted hit