Imagine being able to advertise ANYWHERE.
Imagine being able to scrawl your brand, your URL or paste up your poster on any wall, any building.
Imagine putting your QR code (or plain URL) infront of every person who handles a bank note for the time that it circulates before it's destroyed - if that too were legal?
Would the world become one big scrapbook of unbearable junk?
This is food for thought when we consider the online world with likes of Google, Facebook and YouTube ridding of content and accounts which they deem bogus or to hold little way in the way of content....