Netscape was the market leading browser into the early 2000s, corresponding with JG leaving it.

Never heard of Tellme, but it sounds impressive on a resume.

Metaweb was a good open-source fact database which subsequently got walled off once Google bought it.

Google Search works significantly worse now than it did under Amit, and I say that as both a user and a websearch Xoogler. (JG took over about a year after I left Google).

Siri is the subject of this article.