If you're not familiar, the BBM PIN allows any user with a BlackBerry to contact a user in a fashion similar to text messaging, without the data fees. Since it makes you so reachable, sharing your PIN is essentially the same thing as giving out your phone number. Apparently, Snooki got so many messages she had to ditch her BlackBerry in favor of a new phone, and since your BBM PIN is unique to your hardware, it's unchangeable. While giving out similar information may not be such a huge deal for someone who isn't in the public eye, don't forget the lesson here: be careful what you tweet!
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