A vibrant illustration shows how AI can optimize email. A person holds a smartphone with a list of emails with strong subject lines. Floating envelopes are labeled with benefits: "Engagement Boost," "Open Rate Boost," "Clarity," and "Hook." Above a glowing digital portal, several smartphones display examples of AI-generated summaries and quick insights for emails from Mail and Gmail. The illustration features a bright color scheme with gradients and glowing lines.

The impact of AI summaries on email marketing