Gamma's headline "A new medium for presenting ideas. Powered by AI." is a clear and powerful message that also plays into today's current hot trend: AI.

By starting with "A new medium," the headline immediately positions Gamma as something different from traditional presentation tools. It suggests innovation and fresh thinking, moving far beyond outdated tools like PowerPoint or Keynote.

The phrase "for presenting ideas" is broad and inclusive. It appeals to anyone who needs to communicate their ideas in a visual format, whether they're entrepreneurs, students, professionals, or creatives. This universality expands the potential user base. Basically, if you've used PowerPoint, this tool might be for you.

Gamma also breaks their headline into two distinct parts. The first part establishes what Gamma is while "Powered by AI" reveals the technology that enables this innovation. This structure builds interest progressively.

And about that second part… "Powered by AI" plays on the hottest tech trend of the moment—AI. It explains how Gamma can deliver on its promise of being a "new medium" and suggests advanced capabilities beyond traditional presentation tools while possibly requiring less human-intervention or work.

Overall, this headline is effective because it clearly communicates both innovation ("new medium") and technological advantage ("Powered by AI") while remaining broad enough to appeal to anyone who needs to present ideas. It positions Gamma as a modern, AI-enabled solution for better idea presentation. Something we can all likely use.