I'm not an expert (and don't want to comment on any particular company or product), but it's an intriguing idea. I think Marc Benioff was an early innovator in

I'm not an expert (and don't want to comment on any particular company or product), but it's an intriguing idea. I think Marc Benioff was an early innovator in this area. It will be interesting to see what new ideas entrepreneurs -- or their investors -- come up with along these lines.