1. A system comprising: a memory to: store a plurality of functions for execution by a device, and to store a default function from among said plurality of functions to be executed by said device; and store an interval to elapse between a presentation on an output device of an indication of said default function, and an execution of said default function; and a processor to generate a signal to execute said default function unless during said interval said processor receives a signal from an input device not to execute said default function.