A number of years ago, I wrote a blog post about my then 11 year old son encountering a rotary dial phone for the first time.
Needless to say, the rotary dial phone was not an intuitive human-machine-interface and things did not go well. Too bad he didn't get to watch this training film first. Interesting to see how little the format of the the phone book has changed since 1927.
#phone #technology #rotarydialphone
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