version 1 or version 2?

Just in case you are struggling to get your head around the differences between Web 1.0 and Web 2.0 technologies, O’Reilly Media have conveniently put together this simple but effective table:

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
cms --> wikis
directories (taxonomy) --> tagging ("folksonomy")
stickiness --> syndication

You can read more about O’Reilly Media’s opinions of Web 2.0 here.