1. A computing device comprising: one or more computer processors; and one or more computer-readable storage media having instructions stored thereon that, responsive to execution by the one or more computer processors, perform operations comprising: presenting a user interface having multiple selectable labels associated with multiple applications, respectively, at least one of the multiple selectable labels: reporting a first change in a first area of the selectable label, the first change associated with first content of the application to which the selectable label is associated; and reporting a second change in a second area of the selectable label, the second change associated with second content of the application to which the selectable label is associated; receiving selection of the one of the multiple selectable labels through the first area or the second area; and responsive to selection of the selected label, presenting, through the application associated with the selected label, the first content responsive to selection of the first area or the second content responsive to selection of the second area.