Facebook starting to roll out 360 photos worldwide across Facebook.
These photos are similar to 360 videos also
According to Mark Zuckerberg :
You can tilt your phone and feel like you’re actually there. You can also check them out in virtual reality for a fully immersive experience.
The big difference with 360 photos is you can take them with your phone. Just take a panorama or use a 360 camera app, then post it to Facebook and it will be work automatic by Facebook.