Strong Emotion. Create shareable, viral content that is relatable to the the audience.
Progress. Reward people who always patronize your service or product to make them always go back to you.
Strong Feature Design. Consider the right color for your ads to enhance the sense of excitement of the audience.
Price. Establish a low price or make it look like it is. Have promos or discounts.
Limited Products. There is always a demand for seasonal or limited products.