Not as dramatic and much simpler to fix, yet still broken: Search for one-time things (say a new phone) on amazon. Purchase said things. Continue getting ads fo

Not as dramatic and much simpler to fix, yet still broken: Search for one-time things (say a new phone) on amazon. Purchase said things. Continue getting ads for new phones for weeks. Surely they must realize that after you purchase a phone re-targetting will only be effective at least a year+ later.