[nickb]

Get rid of it.

   sudo echo "127.0.0.1 tcr.tynt.com" >> /etc/hosts

[fsniper]

shell redirection does not work with sudo (at least with bash). You will get a permission denied with this command

[aj]

Adblock plus would do as well for FF users :)

[myoung8]

Good call, thanks for that tip.