The biggest advantage of teaser ads is its inherent ability to arouse curiosity. ... These ads gain consumer attention and encourage open mindedness through building curiosity and interest, introducing a surprising piece of information or creating confusion. Even minded consumers are more likely to try new brands.

Why do Teaser campaigns work?

Teaser campaigns work by creating anticipation, drawing on human curiosity by revealing enough to capture audiences, but without revealing too much about the wider campaign or project. Teaser campaigns are a great way of lifting the profile of a company in time for the wider campaign launch.

What makes a good teaser campaign?

Be Vague — But Not Too Vague

Teaser campaigns often work because they are just vague enough to keep consumers thinking of all the possibilities, but not so vague that they lose interest. Couple this with a minimalist design, and you'll have a winning teaser campaign.