Definition of Active Users

What is the definition of Active Users for Websites

Find out How the Number of Active Users is Calculated by the Top Social Networking Sites.

Top social networking sites Facebook, Google+ and Twitter all disclose how many registered users they have, but, when it comes to talking about how many active users they have, the numbers look quite different.

Learn what the definition of active users is for the top 3 social networking sites in the world and why it is impossible to get an accurate number from them that can be compared against, to find out which of them has the most active users.