Google bought Marzipano and made it free for all projects, including commercial. What perspectives do you see in this product? How much does it is competitive for KRPano in the future? Some are already predicting his destiny KRPano killer.
"Marzipano is a 360° media viewer for the modern web.
Supports all major desktop browsers and mobile devices.
Embraces standard web technologies and provides a powerful Javascript API."
http://www.marzipano.net/