17. 12 3.5" floppy disks: the top-right corner is shaped in a certain way so that the disk cannot be inserted upside-down. Microwave ovens: a door switch automatically disconnects the activation button when the door of the oven is opened
18. 13 Poka Yoke in Web Dev and Design Google Predictive Text Matches
21. “I am completely disarmed by this error. It makes me laugh!”..it reminds me that the developers working on this software took time to make their error messages not only user friendly, but fun.” - A Happy User 17 Google Chrome FAIL
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24. Errors and FAILS don’t have to be sad 20 Keep it polite, helpful and illuminating.Add fun. Thank you Dawa Riley dawachan@gmail.com @dawachan