Celebs live and die by their brand--and so does your company. Here are lessons from Bono, Kim Kardashian, Tiger Woods, and other huge stars on reinvention, staying relevant, and remaining true to yourself.
"I won't even say the words 'Charlie Sheen,'" says Ad.ly's Walter Delph, who became the social media startup's new CEO in March after a disastrous partnership. He's been scrubbing tiger blood stains out of his brand ever since.
Backed by heavyweights in three disparate industries--Amazon, CAA, and Greylock Partners--WhoSay.com lets celebrities do something Twitter and Facebook don't: own their online content. Tom Hanks, Anderson Cooper, Lindsay Lohan, Paul Feig, and nearly 900 other stars have already signed up for the service.