An Audio Guest Book is a modern, interactive alternative to the traditional guest book, using a Retro Phone. Instead of written messages, it allows event attendees to leave heartfelt voice recordings, sharing personal sentiments, memories, and warm wishes. What sets it apart and makes it superior to traditional guest books is its ability to capture the authentic emotion and tone in guests' voices, creating a deeply personal and memorable keepsake. Unlike written entries, audio messages bring a unique vibrancy and emotional resonance to event memories, making them far more immersive and cherished for years to come.