Gwen Stefani for HP, Michael Jordan for Hanes, Dr. Dre for HP, Peyton Manning for Sony, Lady Gaga for Polarioid, Lance Armstong for Radio Shack, Michael Vick for… ArTran?

A new study confirms what a lot of people on both ends of the advertising paradigm suspect: celebrity endorsements aren't worth it. My colleague Sheila Shayon earlier pondered this question — find out why the evidence is swinging in favor of taking back the swag bags and shutting down the gravy train.Continue reading...

Every day brings more news of brands signing up celebs as the face and ambassador of their product or service. But with Fifty Cent making almost $8.8 million from a single tweet — if that estimate is to be believed — it has to be asked if the power of celebrity endorsements still holds true. The Kardashians' kollective future is riding on it!Continue reading...