AP (Richard Shotwell/Invision/AP)NEW YORK -- Actor Mark Ruffalo lost his cell phone wallet case in the blizzard, but Twitter helped him find it in less than 20 minutes.After realizing it was gone, Ruffalo tweeted, offering a reward and a signed photo.[Ads /]Just 20 minutes later, Ruffalo tweeted the case was found.The final tweet? Ruffalo thanked the woman who found it, and her family for their decency.