Amazing what you can learn in your sleep

From windrose

You paid attention during 86% of high school!

85-100% You must be an autodidact, because American high schools don't get scores that high! Good show, old chap!

Do you deserve your high school diploma?
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...so how do you find the area of a right angle triangle, anyway?

OK, this is starting to worry me

Over the last couple weeks, LJ has told me, through its nifty new message board feature, whenever anyone has friended me. That's nice, and pleasant, and in general I love this feature.

But. On three separate occasions, people have supposedly friended me who never showed up in my flist. And. The same person has now been reported by LJ to have friended me five times, the latest instance just today -- and has never, not once, turned up in my flist.

Is this happening to anybody else? Is it just annoying or really creepy?