GigaPan.com, AirPano.com, EasyPano.com, and PanoramicImages.com host panoramic photos online. They also host photos in an interactive format, which allows users to pan and zoom in and zoom out of a panorama by clicking and dragging the mouse.
A panoramic photo is an image taken of a subject — particularly of a landscape or cityscape — in 360 degrees. Before the advent of digital technology, panoramic photographs were created by taking pictures of the subject using a rotating camera. Although effective, such cameras were heavy, cumbersome and out of reach of the general public. With digital technology, this format can easily be created by taking a picture using any camera that has a panoramic mode or by taking a series of photos and combining them in a special type of image editor known as "stitching" software.