Once you have a mountain of resources, you want a way to sort them, make sense of them and use them. By the mid-90s, the growing number of pages on the Internet made efficient ranking mechanisms vital. And a series of solutions magically appeared.

Competition is deep in human nature. We go crazy comparing our fortunes, numbers of subscribers, likes, conversions, etc.

There are too many figures in our modern life to keep track of them all. You have to choose something.