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Chapter 6: Online Auctions, Virtual Communities and Web Portals by Mind Map: Chapter 6: Online Auctions,  Virtual Communities  and Web Portals
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Chapter 6: Online Auctions, Virtual Communities and Web Portals

Types of Auctions

Auctions have been around for centuries.  They became popular in 17th century England. 

English (ascending in price)

bidders publicly announce successive bids until no higher bid is forthcoming.

Dutch (descending in price)

open auction in which bidding starts at a high price and then lowers until a bidder accepts the price.

Sealed-Bid auctions

no sharing of information

Open-Outcry Double

commodity futures and stock options

Sealed-Bid Double

buyers and sellers each submit combined price-quantity bids to an auctioneer

Reverse (seller bids)

General Consumer Auctions

Online Auctions

C2C

Amazon, Ebay TRUSTe, Escrow sites are intermediaries that ensure your security during significant transactions.

C2B

B2B

evolved to make a specific existing need. used to dispose of unusable or excess inventory 

B2C

Resources

Web Portals

Advertising Supported

Mixed Revenue

Intranet Portals

Building Long-term Customer Relationships

Blogs

Wikis

Forums

Facebook, Myspace, etc.

Virtual Comm's and Web Portals

Mobile Communications Technology

cellular-satelite communications technology

Mobile Business

Intelligent Software Agents

programs that search the web in order to find items for sale that fit the buyers needs 

Virtual Communities/Web- Online-Communities

gathering place for people to do business that does not require physical evidence

Web Community Consolidation