A metal pad that wirelessly recharges gadgets laid on top of it stands to eliminate the annoyance of charger cables. Each gadget must be fitted with an adapter that plugs into its battery compartment; metal contacts on the adapter draw power through conductive metal strips on the pad. Adapters are currently available for the Motorola Razr, the BlackBerry, and several Apple products, with more to follow.
Cost: $59.95; $30 to $40 per adapter, depending on the device
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Next slide, please: A brief history of the corporate presentation
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