You’ll remember, once upon a time, tweets were top dog in Google search. And then that relationship dissolved in a sea of vagueness and although you’ll see tweets come up in Google searches today, they’re noticeably appearing after the more Google-y bits of information (like news stories and such, capable of being +1′d on Google+). This is, of course, just as the Twitter Oracle predicted.
But enough about Google, we’re talking Yahoo here. And Yahoo is busy cozying up with Twitter, much to (we imagine) someone at Google’s chagrin who must be thinking, “Maybe Yahoo isn’t as irrelevant as we thought!”