Upgrade interface images to Retina (HiDPI) on various sites, including Amazon.com
https://twitterenhanced.com
humanloop
Ruslan Login
http://www.retinaextension.com/
http://sites.google.com/site/haroldmartin/
http://babelbar.com/
donnierayjones
Tinkoff Journal
http://sites.google.com/site/haroldmartin/
https://arnout.engelen.eu/
Chromium OS Developers
dsda