Have you Yo’ed yet today? No? Me either, my younger cousins haven’t Facebooked about it so I’m out of the loop. Anyway, it’s the messaging app that’s been all the rage for at least 48 hours or so, all because its sole function is to send your friends the word, “Yo.” Yes, that’s it. In any case, just as quickly as its star has shot to the heavens, people are already claiming to have hacked it right back down again. [More]