It removes the top 1M globally-ranked websites. So here it's removing wikipedia, imdb, etc, and leaving only more specialist sites. www.adamwest.com isn't remo

It removes the top 1M globally-ranked websites. So here it's removing wikipedia, imdb, etc, and leaving only more specialist sites. www.adamwest.com isn't removed because it's ranked 3,400,000th or so, using alexa as a reference (http://www.alexa.com/siteinfo/adamwest.com http://www.alexa.com/siteinfo/adamwest.com)