Compare UAL & DUOL Stocks: Price Trends, ML Decisions, Charts, Trends, Technical Analysis and more.
United Airlines is a major US network carrier with hubs in San Francisco, Chicago, Houston, Denver, Los Angeles, New York/Newark, and Washington, D.C. United operates a hub-and-spoke system that is more focused on international and long-haul travel than its large US peers.
Duolingo Inc is a technology company that develops a mobile learning platform to learn languages and is the top-grossing app in the Education category on both Google Play and the Apple App Store. Its products are powered by sophisticated data analytics and artificial intelligence and delivered with class art, animation, and design to make it easier for learners to stay motivated master new material, and achieve their learning goals. Its solutions include the Duolingo Language Learning App, Super Duolingo, Duolingo English Test: AI-Driven Language Assessment, Duolingo For Schools, Duolingo ABC, and Duolingo Math. It has four predominant sources of revenue; time-based subscriptions, in-app advertising placement by third parties, and the Duolingo English Test, and In-App Purchases.