Part of being on Livejournal.com is inevitably gaining a number of LJ buddies. Unfortunately, as time wears on, it's easy to forget where all of them came from. Post this in your journal and have your friends respond with how they recall first 'meeting' you.
And to make this two-for-one, I'll throw this one in here as well.
I want you to ask me something you think you should know about me. Something that should be obvious, but you have no idea about.