Since there really aren't too many instances of a 64-bit OS X running these days, it's kind of moot.
"So, should Google be worried? Not just yet. But it's good to see that there are companies out there trying to carve out a segment of the market. Competition means that search tools will continually improve, and that's good news for all of us.
Any sufficiently advanced bug is indistinguishable from a feature. -- Rich Kulawiec