Internet memes come and go, the common thread being that most involve little actual work, just a gimmick that perfectly captures the zeitgeist of the Internet. There are, however, many enduringly interesting projects currently getting attention on the web. Among the neatest is Exactitudes.com.

It’s tough to tell from this range, but this is a giant collection of people, grouped into sets of 12 based on similarity in features and dress. They’re from all over the world, showing all types of people. The effort that must’ve been required to find, photograph and edit all of this is quite impressive, and the final result is very much so.