Bulletins vs bulletin boards

[Here’s a simple communications hack for small teams and organizations:] When times are changing and you’re adjusting on the fly, it’s tempting to send another alert. The rules at the farmer’s market, the latest schedule for a changing event, the status of a server… When I was growing up in Buffalo, they used to announce […]

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The semiotics of face masks

It’s difficult to get adults to wear bicycle helmets. (I wrote about this on the blog 16 years ago). The reason has nothing to do with comfort or safety. It has to do with signals. Semiotics is the science of flags, signals and other communications. It studies the very human act of judging something (or […]

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