Virtual reality, or VR, allows the user an immersive visual experience. When applied to home buying, it offers a prospective shopper—who could be in another country—the ability to tour the home from anywhere, and at any time. 3D photography was a big technological leap for the industry, and with the addition of VR over the coming years, will completely change the buying process. The Tennessean, an offshoot of USA Today, has a worthwhile piece here.