This is fascinating technology.
The device’s sensors allow it make over 250,000 3D measurements every second and update its position in real-time.
Google said potential applications may include indoor mapping, helping the visually-impaired navigate unfamiliar indoor places unassisted and gaming.
Watch the video below to get a better sense of this. I think this is a great idea, long time coming. The question is, can Google make this useful and usable. The potential is huge.