] The SwitchProxy tool now has an Anonymous Proxy feature.
] An anonymizer uses a list of proxies that it randomly
] switches between at defined intervals. Many people used
] anonymizers to sheild their IP address and protect
] themselves from hackers, online tracking, havesting and
] other website snooping techniques.

Second interesting thing learned at Interz0ne: EZ anonymous web surfing with a firefox plugin.

SwitchProxy Tool for Mozilla