Well, to an extent

Someone has found a way to find out if a Pepsi bottle is a winner or not without having to open the bottle.
Go here and check it out.
http://macmerc.com/
and go here to see a Rare Mt. Dew bottle with the iTunes cap on it
http://cgi.ebay.com/ws/eBayISAPI.dll...3&category=171
All I can say is, free songs here I come *looks around to make sure no one is watching

*
thanks to The ScreenSavers for pointing it out (gotta give the plug

)