Here are the History of the Internet links:

Click-through slideshow:
http://historyoftheinternet.org/

Awesome ARPANET movie, Computer Networks - The Heralds of Resource Sharing
LINK
The Internet in 1993, read the two short articles at this link:
http://w2.eff.org/Net_culture/overhearing_the_internet.article.txt
The Internet in 2005:
http://www.wired.com/wired/archive/13.08/tech.html

Consider how the “techno optimism” is different in the various eras.

What major Internet apps were not yet around when each article was written?

Startup dot com movie trailer:
LINK