The more I read the more compelling the smartphone replaces idea stands out to me.

Perhaps it could be marketed as a replacement to ciggies. If there were to be an app that replicated this kind of function, it would be good to go:

As the users of a drug forum comparing the difficulty of quiting cigarettes to heroin say:

We use cigarettes for way more than effect (cause lets face it-the 'buzz' sucks), they serve as a social lubricant, and an excuse to stand outside and stare at things without seeming like a moron.