One of the more fascinating ideas Google has had for its Android operating system is Ingress, an augmented reality game that's partially intended to let game enthusiasts enjoy their pastime while getting out into the real world. As AllThingsD reports, its current dedicated audience isn't huge, but that isn't stopping the software giant from bringing it to iOS sometime next year.
Geocaching is not for the casual urban adventurer. The concept is simple enough – seek out a hidden treasure by following a specific set of GPS coordinates – but there's a reason why it never caught on in the mainstream. Not only does it command a giant commitment of time and energy, but there's also a pretty steep learning curve for new users. Wonderground is geocaching for the rest of us. Created by General Electric (yes, that one), the scavenger-hunting app challenges users to explore their favorite cities with the promise of the ultimate reward: Knowledge.