All the toilets in your building / neighborhood were installed all the same time and your need for a toilet seat likely matches the average lifespan of that item. They see this, they see you bought a toilet seat.
They don’t sell ads directly for you though. The do sell ads to people your age in your location that might need a toilet seat. They might also know that that item has a high return rate. On the chance you return it they want to sell the opportunity to advertise to you for more to potential customers (ad buyers)
All the toilets in your building / neighborhood were installed all the same time and your need for a toilet seat likely matches the average lifespan of that item. They see this, they see you bought a toilet seat.
They don’t sell ads directly for you though. The do sell ads to people your age in your location that might need a toilet seat. They might also know that that item has a high return rate. On the chance you return it they want to sell the opportunity to advertise to you for more to potential customers (ad buyers)
It just goes on and on.