Marissa mayer's Dazzle uses photos to understand users better than emails

Marissa Mayer, former Yahoo CEO and founder of Sunshine, has launched Dazzle, an AI assistant that leverages users' camera rolls to understand their lives. Dazzle, which raised $8 million in December 2025, differs from competitors like Meta's Muse by focusing on photos rather than emails and calendars. Mayer argues that photos offer rich insights into hobbies, interests, and preferences. Dazzle analyzes photo libraries to suggest activities, travel destinations, and gifts. Mayer highlighted that Dazzle can deduce family interests, such as a love for escape rooms, and recommend personalized experiences. While the tool has limitations, like forgetting past details, Mayer claims it offers a more personal experience than traditional AI assistants. She also emphasized Dazzle's privacy focus, discarding sensitive data. Dazzle represents a shift toward AI that understands users beyond basic interactions. Mayer's previous startup, Sunshine, launched Shine in 2024, which faced criticism but built 'interesting IP.' Dazzle users can interact via app or text, with features like calendar updates from event photos and personalized vacation suggestions. Despite initial hiccups, Mayer believes Dazzle's approach offers a glimpse into a future where AI truly knows users. The product is part of a growing trend of AI assistants, with Mayer noting that users may prefer photo data over sensitive emails due to security concerns.