Evaluate the collective function of references cited together in a given text segment.
Classify their combined role into one of the following categories: 'method', 'background', or 'result'.

Text:…allowing the device to include a range of features (e.g. digital compasses, accelerometers, gyroscopes and light meters), to act as global positioning (GPS) receivers, and to run software that processes geospatial information in ways
comparable to more expensive computing devices (Kwok 2009).
Category: