[MaxKeenan]

Good point. It's interesting because, in many ways, search is easier at the enterprise level than the individual level. The usage patterns & social graphs of large orgs is incredibly helpful for relevance ranking. For example, if someone on your team just accessed a doc, the odds you are looking for that doc are pretty high.

Our thesis is that Google Desktop + Cue and the dozens of others lacked was good enough search to be sticky. We're not entirely certain this is the only reason, but we're testing it out.