Why do we need HTTPS?

It's really not that long ago that HTTPS was expensive or difficult to implement, if not both. Google announced that URLs starting with HTTPS would be trusted more in results but it was CloudFlare who changed the game for me by offering certificates and HTTPS for free without having to do any heavy lifting.

This comic explains how and why it works quite well and there are 5 of them in total to help get you up to speed.