Comparison about Web 2.0 Environment:

Dear readers this article about second generation web based community portals Web 2.0.

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 (CPC)

Screen scraping --> web services

Publishing --> participation

Content management systems --> wikis

Directories (taxonomy) --> tagging ("folksonomy")

Stickiness --> syndication

Courtesy: Tim O'Reilly