I'm sure you've seen them around on the web, those rather complex looking infographics, showing statistics or other data. Some of them have a circular shape and use these cool gradient rings. I've received the question more than once from users asking how these are created in Illustrator. Today I'm showing the basis of how this is done, by sharing this very simple and easy to follow Illustrator tip. As always, my method is just one of the few on how to do this. I think it's worth checking and trying out..