Cristina's magic globe in her log suggests she's a contributing member
, where one of the secret bonus features
may be the ability to bump old threads. I don't know what the exact latching requirements are, maybe you have gotten close with your checking.
Perhaps furlong47 is as well, or if furlong47 checks AP with a browser she's not signed into AP on, she'd see it on old threads.
I bumped the one you just mentioned, comment freely.