Changing Your IP ! hardcore way !

download this pic of higher quality ! of all IP websites that change IP !
http://www.ziddu.com/download/3880180/privax.bmp.html
here in this picture , you can check out all the different sites which you can surf anonymously , lets say if you are in office and social networking sites are banned , then you can use these sites to chat freely without getting caught , eg orkutting , facebooking , there are lots of these sites !!

URL
HideMyAss.com
Anonr.com
ProxyPimp.com
250.eu Online!
Browse.ms
Unblock.biz
InvisibleSurfing.com
Kroxy.net
ProxyMafia.net
ArmyProxy.com
CantBustMe.com
Proxrio.com
TexasProxy.com
ProxyStart.com
OurProxy.com
Surfaz.com
HideMy.info
SecureProxy.us
ProxyBuddy.com
SiteSurf.net
BoratProxy.com
LimitKiller.com
Unblocked.org
Nuip.net
WebProxy.pro
URL.sc Online!
Anon.me
OlympicProxy.com