And because they create so much noise, no option left for a new comer other than trying to shout louder than them. All-in-all a vicious cycle of spamming!
This is older than the ideas of the internet itself.
Channels get saturated and marketers start looking for new ones with les noise/competition.
The oldest that I can think of is old school markets where is shops yells to tell you how good of a deal you're gonna have if you buy from them. I think they date back to the middle ages, no?
What do you mean, 50 years ago? Go to any smallish town in German and you’ll find a farmers market about once a week, with people shouting at passerby’s to buy their cheap produce. Probably the same in most European countries, and I’d wager in many other parts of the world?
