Answer to Question 1
Virtually all mobile devices have global positioning satellite (GPS) service capabilities, which means that apps can combine the phone users location with the availability of retail stores and services to create mobile business opportunities. For example, some apps can direct the user to specific business locations (such as restaurants, movie theaters, or auto repair facilities) based on the users current location.
Answer to Question 2
In the past, each phone manufacturer wrote its own operating system software. Today, most mobile phones use a common operating system (such as Android and iOS). This change occurred because the way software applications are developed and sold has changed. In the past, U.S. mobile phone companies generated revenue by controlling the application software (usually called apps) that could run on their phones. Companies would license the apps from software developers and then charge subscribers a monthly usage fee for each app. Apple turned this revenue strategy on its head when AT&T agreed to be Apples sole carrier for the iPhone (that is, iPhones would only operate on the AT&T network, an arrangement that lasted from the iPhones introduction to 2011) and agreed to allow Apple to sell apps for the phone directly.
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