Starbucks “It’s Possible” Pinterest Sweepstakes Posted by Leslie on 08/10/2012 Posted in: Uncategorized. Starbucks “It’s Possible” Pinterest Sweepstakes. neat #pinterest #contest idea. Posts navigation ← Garrison Representing Montreal’s Brasseurs Sans Gluten in Atlantic Canada | Canadian Beer News Russia Bans GMO Corn Over Cancer Fears as Pressure Builds on Monsanto →