Wikipedia
Tourwrist
TourWrist is a free and open platform that empowers consumers and businesses to discover, shoot and share 360-degree panoramic images via computers, smartphones and tablets. With a collection of over 30,000 panoramic images, TourWrist helps consumers make educated, location-oriented decisions by previewing immersive virtual tours of travel destinations, homes, businesses, schools and other points of interest. The privately held San Francisco-based company launched commercially in the first quarter of 2011.