Web MarketPlaces

Tell me something about Web Marketplaces

ANSWERS : Web Marketplaces represent the next generation of Internet-enabled B2B applications.
They share an identical concept, which is a communal meeting-place for people or organisations with a common interest.
Their Business Model is to provide a meeting-place for commercial organisations and act as facilitators who take a small percentage of every transaction.

CATEGORY	ORGANISATION	DESCRIPTION
Directory ***	B2B Exchanges	Searchable Database of Web Marketplaces
Exchange	B2B Rover	Aggregates data from multiple business exchanges into one easy-to-use interface. B2BRover currently searches over 25 different business exchanges in 8 different vertical industries.
Exchange	BizProLink	BizProLink.com, Inc. owns and operates 124 industry-specific Communities-of-Commerce. Each community functions as a "start-page" and important first "point-of-contact" for companies seeking to transact with one another.
Exchange	FreeMarkets	Specializes in real-time online B2B auctions, has handled $4.1 billion in purchasing contracts since its beginning.
Horizontal Markets	PurchasePro.com	Marketplace for a variety of supplies and services.
Horizontal Markets	Trade Out	Site for surplus goods such as factory overruns or discontinued lines
Infrastructure Providers	MedChannel	Provides an IT backbone for the Medical Supplies marketplace.
S'ware Providers	Ariba	Sells Procurement automation software and sets up Exchanges.
S'ware Providers	Commerce One	Builds marketplaces and sells marketing software.
Vertical Markets	Altra Energy Technologies	For Natural Gas and Electric Power
Vertical Markets	CattleInfoNet	Buy and sell cattle. Check on commodity future prices. Get the weather forecast. Read the latest livestock headlines.
Vertical Markets	e-Steel	Get your steel here or sell some. Create purchase orders or search throughout the site for the product you need.
Vertical Markets	GoFish	"Pick a species" and start bidding. Choices include Arctic Char, Bonito, Dogfish, and Trigger Fish.
Vertical Markets	ReelPlay.com	Marketplace for film buyers and distributors. Access films' trailers, synopses, credits, and pictures online.