“The true power of IPS, though, would come from linking your real life analytics to other streams of data, such as social graphs and payment systems. IPS could track where and when you are most likely to use Facebook or Twitter, and tell you which locations are conducive to happy (or sad) status updates. IPS could be used to create beautiful heatmaps of where you spend money”
via ExtremeTech » Think GPS is cool? IPS will blow your mind