Abstract: In one embodiment, each of a plurality of sites may produce surplus power. All or a fraction of the surplus power may be supplied to the power grid according to an agreement between the user of a site and an electric utility. A computer of the utility is in communication with a computer at each of a plurality of sites having a local power source. Terms of power provision that include an amount of power to be provided during a specified time of day is communicated between a site and the utility.

Abstract: A method for implicit authorization to a computer resource includes defining a behavioral signature including a plurality of defined computer actions known to an authorized user of the computer resource. A first performed computer action of a user is registered. The first performed computer action is compared with a first defined computer action of the plurality of defined computer actions, wherein, if the first performed computer action and the first defined computer action match, an authentication state is changed from a first authentication state to a second authentication state.