Writing Trigger

Think about how you use the internet, what aspect do you use most? Messenger? News? Selling/buying? Research? Games? Emails? There are so many things available to us through online services but how many do we really understand. Imagine that you have come into contact with somebody or something from another planet, how would you describe what the internet is, how it works and what you use it for. Where would the communication take place? How would it take place? What would follow it?