Seems just like retargeting in that case. Ask “victim” to visit page A. On that page A place a retargeting pixel, then now everywhere on the Internet you can di

Seems just like retargeting in that case. Ask “victim” to visit page A. On that page A place a retargeting pixel, then now everywhere on the Internet you can display a message for that user as long as you are willing to pay a high price for that impression (high price is way way way less than 0.1 USD)