nothing. same as it's always been 1-800-555-TELL
the app looks alot like a widget and it does say it's for 6.5, which has not been officially released yet. (
afaik)
also I'll bet they want it to be a flagship app for the marketplace.
oh, yea, you know tellme is owned by m$.
edit; the site says fall 09, its only been summer for 9 days