It’s maybe a coincidence, but I posted an entry on August 13th that was already in Google just a day after.
Update: Lawrence Lee emailed me more anectodal evidence: "Please put me on your do-not-call list" fetches Joel Spolsky’s article from August 13. It certainly would fit with what Eric Schmidt recently said.
As a side note, Google makes their Adwords keyword ad system work for them.
08/18/01 update: three makes a trend, four makes a fact.
08/24/01 update: Google working on paid-crawl service.