Teaser

It explores government transparency, the ethics of intelligence gathering, and the struggle to release the 6,700-page "torture report" to the public.

Mysterious campaigns (like those used by Apple or Mercedes-Benz) that urge users to "save the date" without providing full details. Teaser

The movie follows Senate staffer Daniel J. Jones as he leads an investigation into the CIA’s Use of "extreme interrogation tactics" (torture) following the 9/11 attacks. It explores government transparency

Short, 15–60 second clips used to build "hype" for a product, event, or movie launch. the ethics of intelligence gathering

In a professional context, a "teaser" is a short promotional piece designed to pique interest without revealing the full story.