It looks interesting but it's difficult to justify uprooting a significant portion of my digital life to a new company that may not be around for the long haul.

It looks interesting but it's difficult to justify uprooting a significant portion of my digital life to a new company that may not be around for the long haul. Despite then # of good Google product that have been killed off Gmail is still one I can be pretty sure will be around for a while. Not that I'd never consider switching, but it would need to be a well established alternative.