That will create a ton of angry customers who had their cookies auto-deleted e.g. because of Incognito. Support costs will outweigh the few pennies earned.
Especially with a tech-ninded crowd, relying on the persistence of cookies is completely unworkable because of the large percentage of users with extensions that block or wipe cookies eagerly.
Especially with a tech-ninded crowd, relying on the persistence of cookies is completely unworkable because of the large percentage of users with extensions that block or wipe cookies eagerly.