Auto Awesome is a name for the tool used to create fun extra photos for you. When the right set of photos are detected, Auto Awesome will create a new composite photo and add it to your collection. You'll recognize that an image is one of the below types of Auto Awesome styles by the in the corner.
HDR
HDR, or High Dynamic Range, is the process of taking multiple exposures of the same image. By merging these images together, your photos will achieve a greater range of shadows and light. Uploading three similar images at different exposures--low, medium, and high exposure--will create an HDR image for you through Auto Awesome.
Motion
If you've taken a series of photos in succession (at least 5), Auto Awesome will stitch these photos together into a repeating short animation.
Smile
If you've taken a few group photos, Auto Awesome will choose the best shots of each person in your image and merge them into one great looking photo.
Pano
If you've taken a series of photos with overlapping landscape views, Auto Awesome will stitch these photos together into a panoramic image.
Mix
If you've taken a series of portraits sharing similar background elements, Auto Awesome will compile these photos together into a photobooth style grid. Mix is meant to showcase portrait photos taken with similar backgrounds in time, so it works best when there are close-ups of faces.
这个就是从我前几天 upload 的这几张照片里面合成的，是网站的一个自动的功能：
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