TourWrist puts a twist on the photo sphere (hands-on video)

You've heard of Instagram, right? Are you familiar with Microsoft's Photosynth and Google's Photo Sphere on Nexus phones and tablets? How about Apple's brilliant continuous-scan panorama mode on iOS devices? Well mash all this up and you get TourWrist, an app / social network for sharing photo spheres. The app started life as a social network for virtual tourism and gained one million users since launching in 2010. Here in Las Vegas, the company just launched the latest version of TourWrist with...