Your PIN is if you want to add people to your Blackberry messenger. It is a instant messenger between blackberry users. Just becareful on who you give your PIN to. Check this out to learn more. Lecture 8: How To Use BlackBerry Messenger | CrackBerry.com
if you want you can post your pin on crackberry that is if you're looking to make friends with other crackberrys.I have 18 berries on my messager and we chat everyday talking about their jobs home life or anything that is going on in their lives
i like it but you have to becareful who you add.
Posted from my CrackBerry at wapforums.crackberry.com