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Le Walk
Le Walk is a location-based, immersive travel app that turns your phone and headphones into a private walking-tour guide. Using GPS-triggered audio narration, cinematic soundscapes, and world-class local guides, it walks you around a city at your own pace - no group tours, no fixed schedules - across 22+ languages. Built by three former TikTok employees and operating as Routes AI, Inc., the company launched publicly in September 2025 with a $4.1M seed round and is scaling from a handful of European cities toward 25+ destinations.
Luca Rossi
Luca Rossi is an Italian software engineer, entrepreneur, and writer based in Rome who turned a side project into one of the world's most-read engineering leadership newsletters. After co-founding and scaling travel startup Wanderio to 25M+ customers over eight years, he launched Refactoring in 2020 - a newsletter covering engineering management, software teams, and tech leadership. It now reaches 172,000+ subscribers, ranks in the top 10 Substack business newsletters, and generates approximately $300K/year in revenue, all operated solo. He also hosts the Refactoring Podcast, featuring guests like DHH, Kent Beck, and Camille Fournier, and in 2025 released Tolaria, a free open-source macOS knowledge base app built entirely with AI coding tools.