1. A method comprising: obtaining a first context data of a first environmental attribute of a mobile device; obtaining a second context data of a second environmental attribute of the mobile device; generating a tag cloud comprising a first component that describes the first context data and a second component that describes the second context data; modifying a display attribute of the first component according to the first context data as a function of time; and modifying a display attribute of the second component according to the second context data as a function of time.