This week we talk about QR codes, security theater, and hacking HBO.

We also discuss Dunbar's Number, getting free meals for a year, and being rude to robots.

For more information about the podcast and to view the copious show notes, visit letsknowthings.com.

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My new book Becoming Who We Need To Be is available as an audiobook, paperback, and ebook.

This episode was sponsored by Everlane & Audible.

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