GetGlue announced on their blog a series of five stickers centered around Timothy Ferriss' upcoming book The 4-Hour Body. The book releases on December 14 and a new sticker can be had each week for the next four weeks leading up to the book's release, starting with "Thinner":
Get ready to get thinner! Tim Ferriss's revolutionary book The 4-Hour Body will be released on December 14. Share this one proudly. It's from our friends at Tim Ferriss
Req: check-in to The 4-Hour Body with the word "fat" or "thinner" in your comment during the week of November 15-21, 2010.