A self-configuring wearable electronic data and communication device comprising a self-contained module comprising means for self-configuring based on a user's activity and context an operational mode in a plurality of operational modes, wherein the self contained module further comprises intelligent situational awareness derived from at least one of pre-programmed criteria, a sensing ability, a user-specified lifestyle theme, a communication functionality, an accessory, and a user motion pattern. The self-contained module further comprises a display, a processor, a memory, and a battery, and is capable of configuring itself according to an accessory to which it is attached or connected.