In this podcast episode, we hear from a guest who recently sold his company for a billion dollars. He shares three innovative startup ideas focused on travel and social networking. The first concept is a TikTok-inspired travel app that highlights hidden gems and local experiences, setting itself apart from typical travel websites. The second idea is a minimalist social network, reminiscent of the old Path app, designed to help close friends connect based on their location for spontaneous meetups. Lastly, he introduces a service that creates physical "time capsules" filled with shared memories, tapping into the power of nostalgia. Throughout the discussion, the guest emphasizes how AI and existing social media content can be leveraged to develop these apps effectively.