The greatest news of the 20th century was the invention of the internet. The internet has ultimately changed most of our lives by making us capable of doing a myriad of things now. Through the internet we can connect with old friends or do other tasks such as shop online. But whenever we do those things, we have to supply personal information which we may find harmless but can be dangerous when the information falls to the wrong hands.

Let me paint this picture more clearly. In every instance that we visit a website or download a movie, details of that visit gets stored in our computer.