- Hydrochromic ink
- Simulated with paper
- On bottom of drinking bowl
- Drinking bowl full --> bottom red
- Drinking bowl empty --> bottom white
Purpose: Determine what Kathleen can and can't see
Expected +: clear change in color (wet/dry)
Expected -: safety for the dog hasn't been tested
Tested +: Kathleen can see the difference in colors
Tested -: More tests needed for food safety
-Kathleen likes the idea but would want it to be 100% safe for her dog.
user experience:
designer experience:
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