Monopolies don't require that there be only one choice... just that one choice is vastly dominant. And at its peak, IE had something over 90% of the market. [1]

Monopolies don't require that there be only one choice... just that one choice is vastly dominant. And at its peak, IE had something over 90% of the market. [1] [1]: http://en.wikipedia.org/wiki/File:Internet-explorer-usage-data.svg http://en.wikipedia.org/wiki/File:Internet-explorer-usage-da...