Much like how you search for people on Facebook, you use SearchBBM.com to find people with similar interests or even people you already know(but didn’t know were on BBM). You can also conveniently share your PIN.
Join the thriving community of users using BlackBerry(R) Messenger. Search for your friends, and share your pincode with them. www.searchbbm.com
Download SearchBBM from Blackberry App World and also check out their site www.searchbbm.com. The SearchBBM site has the search function as well as the ability to download the app.