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I didn't claim that ads don't work... far from it: I've seen how easily people are persuaded to part with money so I believe ads DO work! What I have issues wi

I didn't claim that ads don't work... far from it: I've seen how easily people are persuaded to part with money so I believe ads DO work! What I have issues with is using masses of data to persuade someone to buy something having any more significant ability to make them part with their cash than doing it contextually. I realise I said "measureable effect" and I kind of meant that in my original statement but I also mean measurable enough that my privacy is traded for an extra fraction of a percent. By way of example, lets say a contextual banner ad at the top of an article for the new Hyundai i30 Fastback N (I just bought one of those :) with a discount code to buy one might persuade 10% of people to click and 10% of them to buy. (Illustrative figures, don't throw your back out over their accuracy) If adtech companies hoover up data across the web about my buying habits, browsing habits, sexual habits etc. can they legitimately say they can make a measurably larger percentage of people buy that car (or handbag, shoes whatever)? And if so, what kind of numbers? Is it 10.1%? 30%? And is that trade-off worth me allowing them to do that? That's my issue with ad tech.

bluGill 7y ago
The issue isn't making a larger percentage of the people buy, it is a larger percentage of the people advertised to buy. Alcohol companies don't want to waste their advertising money on people who belong to a region that doesn't consume alcohol. Car companies don't want to advertise to the poor with bad credit - by contrast scammy used car dealers want to advertise to those with bad credit and not reach the rich. Of course there is a real downside to this: you will miss someone who should be a target because they look like the type of person is not. The person who just left his restrictive religion. The poor person who is starting what will turn out to be a successful business. Thus big companies often to have a component of ad budget that reach everybody without concern for who buys - just to make sure they don't completely miss someone worth targeting.

bluGill 7y ago

The issue isn't making a larger percentage of the people buy, it is a larger percentage of the people advertised to buy. Alcohol companies don't want to waste their advertising money on people who belong to a region that doesn't consume alcohol. Car companies don't want to advertise to the poor with bad credit - by contrast scammy used car dealers want to advertise to those with bad credit and not reach the rich. Of course there is a real downside to this: you will miss someone who should be a target because they look like the type of person is not. The person who just left his restrictive religion. The poor person who is starting what will turn out to be a successful business. Thus big companies often to have a component of ad budget that reach everybody without concern for who buys - just to make sure they don't completely miss someone worth targeting.