Web 1.0 Web 2.0
DoubleClick -> Google AdSense
Ofoto -> Flickr
Akamai -> BitTorrent
mp3.com -> Napster
Britannica Online -> Wikipedia
personal websites -> blogging
evite -> upcoming.org and EVDB
domain name speculation -> search engine optimization
page views -> cost per click
screen scraping -> web services
publishing -> participation
content management systems -> wikis
directories (taxonomy) -> tagging ("folksonomy")
stickiness -> syndication