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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)

Dutch (descending in price)

Sealed-Bid auctions

Open-Outcry Double

Sealed-Bid Double

Reverse (seller bids)

General Consumer Auctions

Online Auctions

C2C

C2B

B2B

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

Mobile Business

Intelligent Software Agents

Virtual Communities/Web- Online-Communities

Web Community Consolidation