[CaveTech]

It's hardly the lowest form of advertising. Direct response is massive. Think of any time you've searched for something you intended to purchase. Killer conversion rates. This is a way more tangible form of advertising than brand awareness, because the impact of those campaigns is immeasurable.

It's also a way more practical way to buy ads, because you know exactly what you're paying for and can measure your P&L in near realtime.