Now a days,Internet is very useful for us.Everybody use Internet in their daily life for many purpose.Such as.In our daily life every day we use many kind of website.suppose when we use website in that time we can give our personal information and that information is recorded. In which website we enter that website will take our mail id password and other information. That website is enter our mail without our permission.  we say that internet is watching everything. so we can say that big brother is watching us.