Using internet and using Proxy are somewhat now related to each other. A Proxy is a Web page that allows you to go through the blocked sites. Many times many of the sites are blocked for some reasons, if you want to view such sites, Proxy is the best option. The Filters block the sites, Sites such as Youtube, My Space, Orkut etc. Usually such sites are blocked at the workplace, so this is the right place to use Proxy.
Proxy actually mask your identity to be passed on through the server, so it protects your identity and personal information from getting exposed to wrong people. It is obvious that when you visit any website , your computer is subjected to snooping through the spy ware. It is also 
possible that you cookies are set to your computer without your awareness, information can be easily passed onto others and may be a threat to your data as well as computer, they may hack your computer and Spy your personal activities. It can cause you a Great loss in Financial and personal aspects.
Proxy can also be used to hide the content on the webpage you are viewing and the activity on the page. It is as good as invisible to the page you are viewing it mostly over the blocked content. Using such Proxy is very simple, Searching for proxy on the internet, choose any appropriate and identify your needs and take a decision on using it.
This proxy site will sit between you and the internet. There are many types in this proxy as well. Some allow you to view the whole site while others only a small portion of it. Proxy will load you the page you wish to visit. Proxy is now very common in use with internet, people have there intention in using the Proxy.
Most important is you should be able to find the appropriate proxy for your use. The best way of getting it is to make a search and browse various websites that out forward proxy access. You might have to try few sites before finalizing the best proxy for yourself. Try to use every where you face problem in viewing the content on the webpage.
Site which are blocked may be for the reason of the security also, you should make sure that viewing the sites through proxy will not harm your computer. You shouldn’t think that you being invisible through proxy will hide you from every one. There are some other ways through which somebody can monitor your activities. So it is better that you understand that you are not completely invisible, Proxies are just the way to access certain block of crucial information.