User

A User is someone or something that operates something.

There are over 3 Billion internet users worldwide and as of 2014 the country with the most internet users is china with over 642 Million internet users. The place where people use the internet the least is Oceania/Australia with 0.5% of the population who are users of the internet.

Browsers

A computer program with a graphical user interface for displaying HTML files, used to navigate the World Wide Web