www.oreillynet.com/pub/a/oreilly/tim/news/2005/09/30/what-is-web-20.html



  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 	--> 	syndicationo