The average Instagram user misses 70 percent of what’s in their feed, including great photos with tons of Likes and posts by their best friends. So today Instagram announced it will start rearranging the order of posts in its feed. Rather than strictly reverse chronological, Instagram will order posts “based on the likelihood you’ll be interested in the content, your relationship with the person posting and the timeliness of the post.” The testing will start out slowly; at least at first “all the posts will still be there, just in a different order.” But eventually, low-quality posts might be filtered out entirely. The changes mean if you don’t check your feed until the next morning but a friend whose photos you usually Like posted something awesome the night before, it could appear at the top of your feed even if it is hours old. This is essentially how Facebook’s feed works, and how Twitter recently reconfigured its feed to work On the one hand, the relevancy-optimized Insta