Key Survey Enterprise is a data collection tool for the whole company. American Airlines uses their custom research surveys to test a lot of ideas. For example, the airline has a relationship with Citibank, which has a MasterCard.
1 Category A (A-segment) vehicles are 2-box vehicles of between 4 and 4.5 meters in length, or three-box vehicles (i.e., sedans with a trunk) with engines of less than 1600 cc.  Category B (B-segment) vehicles are longer than 4.5 m in length with engines of over 1600 cc.
Full-size car is a marketing term used in North America for an automobile larger than a mid-size car. Traditional U.S. full-size passenger cars were designed to be comfortable for six occupants and their luggage for long-distance driving. The United States Environmental Protection Agency (EPA) currently uses the term large car to denote full-size cars based on their combined interior passenger and luggage volume.