Earlier quoted context omitted.
I use SomeoneWhoCares.org: curl http://someonewhocares.org/hosts/hosts | sudo tee -a /etc/hosts
Well that's an incredibly dangerous command to run without thinking.
Given the demographic of this site, I thought I'd be insulting everyone's intelligence by offering up a more verbose description. I mean the description is the command itself! And verifying the contents of the URL is as simple as viewing a web page (if anyone can't manage that then I wonder how they're reading that command to begin with :p).