The basic Ad marketing principles you need to know:
1. Reciprocation - give your market a gift
2. Scarcity - set a deadline on your gift
3. Authority - get an authority figure to sell for you
4. Commitment - get your market to commit to something small first
5. Liking - get liked by your market or get their friends to market for you
6. Consensus - try to get a lot of people use your product and advertise it
Watch the video.