Airbnb is a global online marketplace for lodging and tourism experiences that operates in over 220 countries and regions. Airbnb offers homestay, tourism experiences, and long-term rentals. Airbnb connects travelers with people who have spare rooms, apartments, or even entire homes to rent. The company has been credited with helping to democratize travel and make it more affordable for everyone. Airbnb also offers a variety of other services, including a travel insurance program, a home cleaning service, and a customer support team. Airbnb has faced criticism for its impact on local communities and its role in the rise of short-term rentals, but it remains a popular and widely used service.