360 Photography or 360 product photography or 360 spin or spin photography it all refers to a photographic technique by which a series of photos give the impression of an object rotating. These photos can be displayed as an interactive animation on web pages and apps, allowing a user to control the rotation of an object. The photos can also be displayed as an infinitely looping GIF or video. Says Wikipedia :)
Also said ... 360 photography is used primarily by ecommerce websites, to give shoppers a more realistic impression of a product than static images. The use of interactive 360 spins has been linked to an increase in sales conversions and lower returns of unwanted goods.