Sunday, November 9, 2014

Sometimes Bells and Whistles Aren't

People in product development will sometimes glibly refer to features as "Bells and Whistles", implying that they are not core features and can be removed from the product.

However, if you are designing a warning signal for a train crossing, the bells and whistles are fundamental to the proper functioning of the signal.  It's not always obvious which features are the bells and whistles.

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