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Wired's Megan McCarthy caught geeklover Julia Allison cozying up to Facebook founder Mark Zuckerberg at SXSW. But, sadly, we can't expect the pair to get together anytime soon. Zuck only cheats on his girlfriend with his girlfriend and Julia, well, she's just not that into him. From a post to her blog, last summer:

Quite honestly, Mark pushes the boundaries of my "dorks can be hot" theory. He's not there yet. Or maybe it's that he's a redhead? Hmm.