America's fight against obesity gets the day off today when 7-Eleven hands out free Slurpees in honor of its unofficial birthday -- June 11, or 7/11. Get it?

The convenience store expects it will hand out five million of the popular frozen treats weighing -- you guessed it -- 7.11 ounces.

Giving away all those drinks is sure to cost the chain a fortune, right? Wrong! Last year, when 7-Eleven ran the same promotion, Slurpee sales rocketed up like a brain freeze to your head by 38 percent.

Of course, getting a free Slurpee is just the tip of the syrupy iceberg. You can log onto and photograph yourself and then post the picture of Slurpee's Facebook page to get more free stuff.

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