DNE

DNE

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I've seen advertisers put their URLs on chalkboards, encircled with a DNE. They went unerased for months. If you see this, feel free to replace the URL with xkcd.com.

HOW TO
Absurd Scientific Answers to
Common Real-world Problems

Available September 3, 2019.
Preorder: Amazon, Barnes & Noble,
IndieBound, Apple Books