This article by Charlie White
for Mashable, brings an informative look back at the growth of and changes in the Internet by way of an Infographic.
Some people may look at past growth as an indicator to the future and others will simply go on a trip down Memory Lane, but I think many will find this interesting.
A quote from Bill Clinton, included in the Infographic sums up much of the change in the last 15 years:
"When I took office, only high energy physicists had ever heard of what is called the World Wide Web. Now even my cat has a page"
See the full infographic: [http://mashable.com/2011/09/09/internet-yesterday-today/]