On the other hand "Make doing the right things easy and the wrong things hard" are good design rules. Putting something alive into a refrigerator and leaving it there, will probably make it dead. It might be a serious mistake by the end user. The smart refrigerator of the future might want to double check; "Are you sure you want to put the milk in the crib and the baby in the refrigerator?"
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On the other hand "Make doing the right things easy and the wrong things hard" are good design rules. Putting something alive into a refrigerator and leaving it there, will probably make it dead. It might be a serious mistake by the end user. The smart refrigerator of the future might want to double check; "Are you sure you want to put the milk in the crib and the baby in the refrigerator?"