as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
provide a recommendation for a mobile app.
user
i recommend the mobile app "duolingo" for language learning. it's a great way to learn a foreign language on the go, with fun and engaging lessons and exercises.
assistant