If you sent me a RAR, I'd remind you that it's the 21st century, we all have really fast Internet these days compared to the 90s when RAR was released, and I re

If you sent me a RAR, I'd remind you that it's the 21st century, we all have really fast Internet these days compared to the 90s when RAR was released, and I really don't want to have to install a new piece of software just to open your photos. (The best bit is that the official WinRAR Linux distribution is a .tar.gz) Just use ZIP unless your classmates are working solely via tethered 2G connections in Tierra Del Fuego.