Design Thinking and Domain Modelling

Describe out loud your kitchen to someone

Modelling

creating a representation of a system that can be explored or used"

Chris Granger

Writing a program is breaking a system down until you arrive at ideas that a computer understands"

Chris Granger (again)

A Real-World Example

User Story

• As a tube passenger
• In order to see where I need to go
• I want to see a map of the tube

A better user story

• As a tube passenger travelling from one station to another
• In order to know how to get from one station to the next

• I want to see all the different stations laid out in a clear way on a tube map 

Our new user story

• As a tube passenger travelling from one station to another
• In order to know how to get from any one station to the next

• I want to see all the different stations and lines laid out in a clear way on a tube map 

Add more user stories

• As an out of London traveller
• In order to see how much I need to pay

• I want to see different zones on the map

Further Reading

• Coding is not the new literacy - Chris Granger
• Don't learn to code, learn to think - Yevgeniy Brikman
• Thoughtbot's Product Design Sprint