Another advantage of an Internet survey is the flexibility in presenting questions and response alternatives. For example, if a survey question asks whether you have flown on a commercial airline during the past 7 months, it is possible to select the next question(s) based on an individual's response. For individuals who answer no, the survey can jump immediately to the next topic and skip all the other questions about airline travel. For individuals who answer yes, the survey can move to a series of questions concerning the travel experience. For example, the next question might be "On what airline did you travel?" accompanied by a drop box that presents 20 response choices. The ability to skip irrelevant questions, or move to a set of related questions, based on an individual's responses, makes it possible to individualize a survey to obtain the maximum amount of information from each individual. In addition, the ability to control response alternatives with pop-ups and drop down boxes increase the options for types of questions.