A shoe (120) has a module (111) that detects changes in the acceleration and pressure of a user's foot. The module (111) includes a sensor platform unit (119), an accelerometer (165), a pressure generator (167), a plurality of light emitting diodes (169), and a speaker (170). The sensor platform unit (119) senses the user's acceleration and foot pressure. The accelerometer (165) senses the acceleration forces applied on the user as a result of locomotion.
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