1. A device comprising: a plurality of proximity sensing points arranged on a non-display portion of the device, the plurality of proximity sensing points defining an interaction area adjacent to the device; a processor; and a memory arranged to store executable instructions which when executed by the processor, cause the processor to: create a sequence of proximity sensor images from data received from each of the plurality of proximity sensing points that is operational; and analyze the sequence of proximity sensor images to identify a user gesture in the interaction area.