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Subject: Re: [soa-rm] Amazon.com and Hurricane Catrina - Service Context? Service "Veneer"?
Apple also did this with their iTunes Music Store: click the link and you order a donation instead of a song. This is why I keep insisting on differentiating between the service and the capability. The underlying capability is to collect money for a purpose. The service provides the interface for doing that. Typically, you invoke the capability through a service that enables you to buy a book (or a song) but a new service invokes that capability (with a new user facing interface for Apple; I haven't checked Amazon) to "buy" a donation. The power is the capability is reusable by making it accessible through a different service. Now note if I buy something through a service that allowed me to specify the UPC code, I could buy a donation through their existing service with that UPC, i.e. reusing the service for a purpose similar to but different from its original purpose. In fact, several supermarkets around here do support that because they have little tear-off tablets at the checkout for certain hunger organizations and you can hand the clerk a page for $1, $5, or $10. Many interesting variations and our RM just has to capture the concepts that can describe any of them. I think I'll mow the lawn and think about this some more. Ken On Sep 4, 2005, at 4:06 PM, Chiusano Joseph wrote:
--- Ken Laskey MITRE Corporation, M/S H305 phone: 703-983-7934 7515 Colshire Drive fax: 703-983-1379 McLean VA 22102-7508 |
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