As a user, I think I'm excited by this, although a lot will depend on the core usability and accuracy -- this is where this kind of technology often founders.
As an entrepreneur, this seems phenomenally relevant, given the relative penetration of GMail among early adopters. The choices that GMail makes can, within limits of what users will tolerate, create new behaviors for its users and eliminate old ones. This can create landgrab opportunities for startups capable of harnessing the new forms of attention and be destructive for startups addicted to the old forms.
As an entrepreneur, this seems phenomenally relevant, given the relative penetration of GMail among early adopters. The choices that GMail makes can, within limits of what users will tolerate, create new behaviors for its users and eliminate old ones. This can create landgrab opportunities for startups capable of harnessing the new forms of attention and be destructive for startups addicted to the old forms.