video sharing sites, document sharing, ...
Digital Media (Music, Video, Movies, TV)

It also includes Web Services; Used primarily as a means for businesses to communicate with each other and with clients, Web services allow organizations to communicate data without intimate knowledge of each other's IT systems behind the firewall.

The term is closely associated with Tim O'Reilly because of the O'Reilly Media Web 2.0 conference in late 2004. Although the term suggests a new version of the World Wide Web, it does not refer to an update to any technical specification.

1.   YouTube
2.   WikipediA
3.   twitter
4.   Pinterest
5.   craigslist 
6.   WordPress 
7.   Flickr 
8.   IMDb - Internet Movie Database 

9.   photobucket 
10.   Blogger 
11.   tumblr. 
12.  eHow 
13.  yelp 
14.   TypePad 
15.   HubPages 
16.   digg 

FreeCycle (TFN)

Services
Airbnb - Home rental
For Rent by Owner (FRBO) - Vacation Rental

Uber - Ride services
Lyft - Ride services

Postmates - On demand courier service

Lantern - Customized mental health care delivered by a therapist via a smartphone app

EatWith - Enjoy a dinner party at the chef's house.

Classifieds
 Craigslist
Free classifieds - backpage.com
Top 20 Classifieds sites to Post Free Ads | Classifieds News Blog

Auctions
 eBay
Webstore.com
uBid.com
Online Auction Sites Review

Free Stuff
The Freecycle Network
Totally Free Stuff

Links:
Customer to Customer at Wikipedia


last updated 11 JAN 2005