Traditionally, advertising has been involved spending a lot of money in order to see significant results. But as our civilization moves more of its entertainment, business, and education into the virtual realm, old-school methods like print or even broadcast and cable television advertising are being supplanted by a new medium that’s far more flexible, and affordable, than its predecessors: mobile advertising.
As of 2014, the cost of a half-page national newspaper advertisement hovers between $1,500 and $20,000 just to set up. And that doesn’t include the approximately $28,000 per day it’ll cost you to run the ad. You’ll reach plenty of people—even in the 21st century, leading newspapers have audiences measured in the millions—but there’s no way to track the demographics of the people who view your ad, let alone how long they looked at it or even if they did so.