While there has been on and off speculation over Facebook developing smartphone hardware, Ikeepcomingbackto the fact that other than Apple and its iPhone offering, smartphone hardware offers margins that are well below that for software and Internet companies.
In trying to wrap my head around the Karma hotspot a new prepaid 4G mobile hotspot service that relies on a novel model I keepcomingbackto the (often post-Apocalyptic) sci-fi stories where some other commodity or service has supplanted cash or gold as the chief currency.
As for getting non- geo-promiscuous customers tokeepcomingback, I guess businesses will have tokeep up the ole put-your-business-card-in-the-fish-bowl-to-win-free-stuff trick.