Teaser networks are one of the oldest and most established sources of traffic. At the same time, they have several advantages:
Simplicity. No need to farm accounts or deal with complex moderation. We select a teaser network for the offer and start driving traffic. Teasers allow for a wide range of shock content, and you won't get penalized for it.
Affordability. Practically all teaser networks offer a small price per 1000 impressions.
Volume. In a short amount of time, you can get a large flow of visitors.