Lately a lot of web sites is blocked by the ISP, the result is many of us ( specially for who is using internet at school or office and country blocking ) can not access certain websites.
 
However, we can unblock it with using web proxies to access the web which is blocked. You can create your own web proxy. Its easy and I share you the free hosting and cheap web hosting information here. Many webmaster make money with web proxy. You can do the same with add ads to your web proxy.