Jotspot Acquired?
UPDATE: Six months later, here's the real deal.
http://www.techcrunch.com/2006/05/10/rumor-yahoo-closed-jotspot-acquisition
http://gigaom.com/2006/05/11/jotspot-acquired-maybe-maybe-not/
I have no real info to add. My gut says no, but I'm far from certain.