There was a challenge at stack overflow to encode an image in a tweet (140 characters at the time): https://stackoverflow.com/questions/891643/twitter-image-en

There was a challenge at stack overflow to encode an image in a tweet (140 characters at the time): https://stackoverflow.com/questions/891643/twitter-image-encoding-challenge https://stackoverflow.com/questions/891643/twitter-image-enc... Some of the solutions took a similar approach that used geometric primitives.