The amp project uses them a lot, and has a system where different kinds of commits get different leading emoji: https://github.com/ampproject/amphtml/commits/ma

The amp project uses them a lot, and has a system where different kinds of commits get different leading emoji: https://github.com/ampproject/amphtml/commits/master https://github.com/ampproject/amphtml/commits/master I'm used to them at this point, and it's kind of nice when scanning commits to be able to see what type they are.