Wanna see something cool? Look at a variable-message highway sign through your cellphone camera

Turns out, those variable-message digital signs along the highway have a high refresh rate – when I tried to take a picture of one for an upcoming story, it flickered like some weird alien message. Fortunately, I was wearing my tinfoil hat and was able to take a picture:

“Concord 21 miles 20 minutes” … what, you can’t see that?