Airbnb is an online marketplace that connects people who want to rent out their homes or spaces with people looking for accommodations in specific locales. The company was founded in 2008 by Brian Chesky, Nathan Blecharczyk, and Joe Gebbia. The name Airbnb is a contraction of "Airbed and Breakfast," which reflects the companys origins. Initially, the founders rented out air mattresses in their San Francisco home to conference visitors.

Airbnb acts as a broker and charges a commission from each booking. The company offers short- and long-term homestays and experiences. Airbnb does not own properties but acts as an intermediary between those who want to rent out space and those who are looking for space to rent. Travelers can rent a space for multiple people to share, a shared space with private rooms, or the entire property for themselves.

Airbnb has expanded its travel offerings to include local activities programs called Experiences. In addition, Airbnb for Work offers everything needed to do your job on the road, from top-rated places and collaborative spaces to team-building Experiences and administrative tools that make managing travel easier than ever.

Creating an account on Airbnb is free, and it is relatively simple. To do so, you enter your name, email address, birthday, and a password. Airbnb also asks that you agree to treat everyone equally, regardless of race, religion, sex, or other factors. Once you agree, your account is active. You also have the option to sign up through Facebook or Google.

Overall, Airbnb is a popular and convenient platform for travelers looking for accommodations and for property owners looking to rent out their spaces.