Web 2.0 how I see it

http://www.oreillynet.com/pub/a/oreilly/tim/news/2005/09/30/what-is-web-20.html?page=1
The above site, O’Reilly gave a comparison of two internet eras. The current one being called web 2.0, our internet era, the internet of today.

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

There is no specific definition to web 2.0. Many people have [...]