ergophobe - 2:38 am on Aug 3, 2013 (gmt 0)
Sure, but that's custom and correlation. There's no cause and effect proved there.
Early on, most servers were set up such that you had to have a www because that was what mapped to the public, web-accessible document root for the webserver. But that's convention.
Let's see I have a hunch.
Amazon.com - English
Wikipedia.org - English
youtube.com - English
google.com - English
What have I learned about what Google likes?