This is somewhat topical given the focus here recently on Exchange and the evolving way it handles storage.
http://wave.google.com/ I haven't watched the whole thing, but minutes 15 - 18 show some pretty amazing attachment features that could cause storage requirements to go insane if not handled well on the server side. I'm very curious to see how they're architecting it. (In the beginning of the video they say that it "will be open sourced.") ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~