If the plus is after the Registered title under a user name, then it refers to this:

http://boards.cannabis.com/feedback-...ber-privs.html

BTW the 50 posts and 2 week milestones have a little leeway. For instance, if you have been a member for 3 weeks but don't have 50 posts, sometimes the system will give the member the plus. It's kind of a mystery to me.

Now if you are looking at "Currently Active Users:" under What's going on at the bottom of the main index page and there is a plus after the name, like the example IllnIllinois copied and pasted, then that means that member is on your contact list or friend list. The "contact" list was around before the last set of updates but didn't do that much or as much as the new Friend option.

SnS Stealth was right the first time, don't second guess yourself.