Browser share is only part of the puzzle. Microsoft didn't also own several of the most popular sites on the web. See callahad's comment for more detail (https:

Browser share is only part of the puzzle. Microsoft didn't also own several of the most popular sites on the web. See callahad's comment for more detail (https://news.ycombinator.com/item?id=8151400 https://news.ycombinator.com/item?id=8151400).