Because 1. It's great idea? and 2. May be a lifesaver in many other use cases? and 3. Is a good example of tech used to help, not just take? and 4. Beats watchi

Because 1. It's great idea? and 2. May be a lifesaver in many other use cases? and 3. Is a good example of tech used to help, not just take? and 4. Beats watching TV?