Big Brother Is Watching Me:

In our modern world everyday we use internet. But when we are using the internet like searching, browsing any website, upload something or communicate someone all of this information can see the owner of those software/ website. So our every information has been recorded. The owner can easily use our data without our permission. Here our data is not secured. 

So when I use internet someone watch everything that's why it is said that "big brother is watching me".