Founded in 1931 as American Airways, American Airlines (AA) is the world's largest airline when measured by revenue and fleet size. A founding member of the Oneworld alliance, AA operates a primary hub at Dallas Fort Worth International Airport (DFW) and has eight secondary hubs at airports across the United States. The airline flies to about 345 destinations in North America, the Caribbean, South America, Asia and Europe. It has codeshare agreements with 15 other carriers, as well as joint ventures with British Airways, Japan Airlines, Iberia, Finnair and Qantas on certain routes. Its fleet consists of 963 aircraft.
Instead of relying on individual atoms, we started considering our components as elements of a living organism. They have a function and personality, are defined by a set of properties, can co-exists with others and can evolve independently. A unified design language should not just be a set of static rules and individual atoms, but an evolving ecosystem.
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American operates out of ten hubs located in Dallas/Fort Worth, Charlotte, Chicago–O'Hare, Philadelphia, Miami, Phoenix–Sky Harbor, Washington–National, Los Angeles, New York–JFK, and New York–LaGuardia. American operates its primary maintenance base at Tulsa International Airport in addition to the maintenance locations located at its hubs. Dallas/Fort Worth International Airport is American Airlines’ largest passenger carrying hub, handling 51.1 million passengers annually with an average of 140,000 passengers daily. As of 2017, the company employs over 122,000 people.[7] Through the airline's parent company, American Airlines Group, it is publicly traded under NASDAQ: AAL with a market capitalization of about $25 billion as of 2017, and included in the S&P 500 index.[8]

American Airlines is a founding member of Oneworld alliance, the third largest airline alliance in the world, and coordinates fares, services, and scheduling with alliance partners British Airways, Iberia, and Finnair in the transatlantic market and with Cathay Pacific and Japan Airlines in the transpacific market. Regional service is operated by independent and subsidiary carriers under the brand name American Eagle.[9]
While creating these components, we collected them in a master file called the library, which we referred to throughout the design process. After a week or two we began to see huge leaps in productivity by using the library when iterating on designs. One day, while putting together a last-minute prototype, our team was able to create nearly 50 screens within just a few hours by using the framework our library provided.
In addition, Airbnb moved its main MySQL database to Amazon Relational Database Service (Amazon RDS). Airbnb chose Amazon RDS because it simplifies much of the time-consuming administrative tasks typically associated with databases. Amazon RDS allows difficult procedures, such as replication and scaling, to be completed with a basic API call or through the AWS Management Console. Airbnb currently uses Multi-Availability Zone (Multi-AZ) deployment to further automate its database replication and augment data durability.
Airbnb believes that AWS saved it the expense of at least one operations position. Additionally, the company states that the flexibility and responsiveness of AWS is helping it to prepare for more growth. Knaup says, “We’ve seen that Amazon Web Services listens to customers’ needs. If the feature does not yet exist, it probably will in a matter of months. The low cost and simplicity of its services made it a no-brainer to switch to the AWS cloud.”

In February 2011, Airbnb announced its millionth night booked.[34][35] In January 2012, the company announced its five millionth night booked.[36] In June 2012, Airbnb announced 10 million nights booked, doubling business in the previous five months.[37][38] Of these bookings, 75% of the business came from markets outside of the continental United States.
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