A favourite medium at Skinned Cat. You just can not turn it off. And it’s relatively affordable. But traditionally, it’s one frame. So the message must be simple. But what about all that space? It’s not a brochure. Keep it simple. How many phone numbers have you remembered from a billboard going 110k on a highway. Zilch. But you’ll remember the message and brand if it’s clear. And simple.

Some outdoor is digital, so think video. Great for indoors: train stations, malls.

Here’s some I’ve played with...