StubHub: Event Tickets positions itself as a comprehensive marketplace for live event tickets, operating across 200+ countries with over 50 million listings. The platform aggregates tickets for concerts, sports events, theater performances, comedy shows, and festivals, serving as both a discovery engine and transaction platform for live entertainment. The application's core functionality revolves around its personalized recommendation system, which suggests events based on user preferences and followed artists, teams, and venues. The interactive 3D venue mapping feature provides detailed seat previews and viewing angles, allowing users to make informed purchasing decisions. Real-time inventory updates and multiple delivery options, including mobile transfer and electronic tickets, facilitate last-minute purchases and instant access to events. User experience is characterized by a clean, intuitive interface that prioritizes event discovery and seamless transaction flows. The search functionality incorporates multiple filters including date, price range, and seating preferences. Real-world usage patterns show peak engagement during major event announcements and last-minute ticket purchases, with the app serving both planned entertainment seekers and spontaneous attendees. User feedback indicates generally positive experiences with ticket availability and event discovery, though some concerns emerge regarding map accuracy and ticket delivery timing. Reviewer Kirkforeman (2025-08-29) noted outdated mapping data, stating '5 years old maps are not acceptable,' while Brionn25 (2025-07-02) reported delayed ticket delivery for an Earth Wind and Fire concert. Positive reviews, such as from lizp64 (2025-09-05), highlight successful concert experiences facilitated through the platform. The application demonstrates strengths in inventory breadth and personalized discovery features, though occasional issues with mapping accuracy and delivery reliability present limitations. Ideal use cases include discovering new events through personalized recommendations, comparing ticket prices across sellers, and securing last-minute tickets to sold-out events through the secondary market.