These aren't extensions, but mobile optimized versions of the site. http://ihackernews.com http://ihackernews.com http://hn.gethifi.com/ http://hn.gethifi.com

These aren't extensions, but mobile optimized versions of the site. http://ihackernews.com http://ihackernews.com http://hn.gethifi.com/ http://hn.gethifi.com/ http://hackerwebapp.com http://hackerwebapp.com