I am looking for a list of businesses that have the following
charateristics:

* They are based off of true viral marketing and by this I mean that
the marketing is a part of the business' core product itself such as
Hotmail.  Or it requires people to have the same product to
communicate together such as ICQ.   I am not looking for businesses
that do not contain these core values of viral marketing.

* The business' core product is information based and requires no
physical delivery of goods in order to turn a profit.

* The business' core product must be subscription based OR
pay-as-you-go.  I am not looking for businesses that charge a one time
fee for their products.

* The business cannot be content based such as having content that is
regurarly updated by its staff such as newsletter or news service
sites.

My current list of businesses that fit this criteria are: eBay,
Hotmail, PayPal, Half.com, and ICQ.  I was wondering how many more are
out there and which ones they are.

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Request for Question Clarification by easterangel-ga on 23 Mar 2003 21:08 PST

Hi! It seems that any B2C website like amazon.com would be a candidate
right? Almost all of them use viral marketing through opt in email
campaigns. Just let me know. :)

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Clarification of Question by mahrens-ga on 24 Mar 2003 06:30 PST

If you do a search on google for "types of viral marketing" you will
find several different techniques.  I am look for viral marketing that
is embededded in the very essense of the core product itself.  I am
not looking for a company that adds viral marketing on to their
marketing campaign such as associates, email a friend, refere a
friend, etc.

Also, I am looking for a business that meets all 4 criteria that I
listed.  Amazon.com fails at 2 of these (true viral marketing and
pay-as-you-go).