Abstract: A personal data storage and display device includes a memory for storing data specific to a user of the device and at least one display screen for displaying data specific to the user of the device. The device further includes at least one sensor and a user interface for interacting with the data displayed by the device. The data displayed by the device may be associated with a plurality of different third-party data sources. The data may include identification data, bank data, or the like.

Abstract: A golf club providing a universal training tool for golfers of all sizes is disclosed. The golf club includes an adjustable length shaft having a club head secured at one end thereof and a handle secured at the other end thereof, a sensor circuit disposed in the club head, wherein the sensor circuit includes a first sensor adapted to generate and transmit a first measurement signal representing a first desired characteristic of the golf club, and a display circuit disposed in the handle, wherein the display circuit is adapted to receive the first measurement signal, analyze the first measurement signal, and transmit an output to a user in response to the analysis of the first measurement signal.