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She takes out her iPhone and presses, “Food is here.” She then types “5th floor” as the location and hits send. The other people will now get a notification that their food is ready and that they should pick it up.
Designs
Design #1
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Task: Placing Order
Sketch:
Story:
Learnability:
Efficiency:
Safety:
Task: Picking a Runner
Sketch:
Story:
Learnability:
Efficiency:
Safety:
Task: Collect Money
Sketch:
Story:
Learnability:
Efficiency:
Safety:
Task: Place Order
Sketch:
Story:
Learnability:
Efficiency:
Safety:
Task: Notify Eaters
Sketch:
Story:
Learnability:
Efficiency:
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