One of the most important value for twitter is realtime search. For now, after show options was born, twitter realtime search is not so important.

In the samples below, you can select recent results, past 24 hours...now we select the recentt results:

compared with twitter:

In this sample, google and twitter same bad, maybe the realtime search still need time to go. in more samples, google is little slow, but bring back more matched content.

I think, twitter select a wrong way, google too strong among the internet, google search too strong among the google project.

And, I found FriendFeed search is faster than twitter.