is3320 developing and using management information systems lecture 10: use cases and scenarios 2:...
TRANSCRIPT
IS3320 Developing and Using Management Information SystemsLecture 10: Use Cases and Scenarios 2: The case of Threadless
Rob Gleasure
IS3320
Today’s lecture Threadless.com Exercise
Threadless
Threadless is an eBusiness that sells t-shirts and other clothing
Each week contests are run to design a t-shirt (these attract 1000s of entries)
The public vote on their favourite designs and around 10 designs per week are taken forward for printing, for which the winning designers receive about $2500 in prizes
Threadless print these designs on a limited number of clothing items are sell them online
The Threadless Model
What’s so clever about this model?
Can you think of anywhere else it’s being applied?
What’s different/similar about those situations?
Exercise
Imagine the Crawford Art Gallery has decided it wants to host 3 annual exhibits for 3 individual up-and-coming student artists in UCC… but doesn’t want to take a financial gamble in doing so
You are charged with designing a system that will use the Threadless model to make this happen
Exercise
In groups of 3… Create a use case diagram for a system that can host these
exhibition crowdsourcing contests for the Crawford Create a textual use case specification for the two most important
use cases you identify
Textual Use Case Specification
From A. Cockburn, “Basic Use Case Template”
Number
Name
Summary
Priority
Preconditions
Postconditions
Primary Actor(s)
Secondary Actor(s)
Trigger
Main Scenario Step Action
Extensions Step Branching Action
Open issues
Want to read more?
‘The consumer is the company’ (2008) http://www.inc.com/magazine/20080601/the-customer-is-the-
company_pagen_2.html
Threadless case study (2010) http://www.stolaf.edu/depts/ciswp/mmoon/documents/chicagothreadlesscase.pdf