Get a free Butterfinger candy bar if you are one of the first 100,000 to "make a claim" on the candy maker's Facebook page. The truth is "optional," the site says. Share your dob, name, address, email to get a voucher for a free 2.1-ounce candy bar. No purchase is required.

Even if you never lost a candy bar, you can have fun with the candy crime scene environment on Butterfinger's Facebook page. Tell your "truth optional" story about how somebody laid a finger on your Butterfinger on the site and they will post it to Facebook. If you do, you stand to win some fab prizes:

• Apple® iPhone™ 3GS**
• Console Game
• $300 Electronics gift card
• 1-year supply of BUTTERFINGER® bars

Caveats: one claim per email address. Valid for individual U.S. residents only. Please allow 6-8 weeks for processing.