I just got my phone’s stop watch ready and posted the following sentence into Friendfeed (one of Google’s special partners):
“This is a unique sentence with the number 321192301 that has never been written before according to Google.”
I made sure this sentence was not yet available in Google web search:
Refreshing web search twice in brief intervals, the sentence was already appearing, and I hadn’t even pasted my explanatory comment to Friendfeed yet. The watch showed 13 seconds had passed, but it might have been appearing earlier: