Did you know 80% of stats are made up? 
Jokes aside, both QR and URL should be present, maximizing the chance someone will use it. I'd prefer the URL unless I was phone in hand walking past a vehicle for a business I was interested in.
Jokes aside, both QR and URL should be present, maximizing the chance someone will use it. I'd prefer the URL unless I was phone in hand walking past a vehicle for a business I was interested in.