...
- Why is the task being done?
- Make it easier for the user to choose their order
- What does the user need to know or have before doing the task?
- Needs to have a general idea of what kind of food they want
- Where is the task being performed?
- On the device
- How often is the task performed?
- About 2-3 times per customer for filtering and comparing
- What are its time or resource constraints?
- Time constraint is that they want to order the food quickly; resource Resource constraints is number of devices in the restaurants
- How is the task learned?
- Customer needs to be informed of option
- What can go wrong? (Exceptions, errors, emergencies)
- Device could malfunction or there could be a bad connection between the customer's device and the kitchen.
...
- Split the check
- Calculate tip
Questions:
- Why is the task being done?
- Make it easier for the user to choose their order
- What does the user need to know or have before doing the task?
- Needs to have a general idea of what kind of food they want
- Where is the task being performed?
- On the device
- How often is the task performed?
- About 2-3 times per customer for filtering and comparing
- What are its time or resource constraints?
- Resource constraints is number of devices in the restaurants
- How is the task learned?
- Customer will be prompted and guided through the payment process
- What can go wrong? (Exceptions, errors, emergencies)
- Device could be unable to pull up the bill or read the credit card
Play Touchscreen Games or Browse Web
...