im speculating that in a wild twist of events, MS announces the revival of Netscape Navigator, just to keep all the web developers on their toes and make sure they get enough practice working with cross browser compatability
No need. Safari fills that role for us now
Internet Explorer had dominant market share, non-standardized features, and powerful corporate backing.
Chrome has dominant market share, non-standardized features, and powerful corporate backing.
Safari doesn't have the newest standards always, but mostly sticks to the standards from what I know. The major difference seems to be a lot of devs liking Chrome.