The Live Journal forum and blogging haven boasts many bisexual-themed groups, and the SOBOA mailing list brings together a handful of outings and activities around the Bay Area every week. Except for when they're single. She might be offended if you even mention it. It wasn't until she was 17 that she had her first sexual experience with another woman.
Sometimes she is a better listener than a guy. Eight years later, she still feels the same way, although she never crossed that line with her friend. When he first joined, he got flooded with responses.