1. A method for developing an automatic speech recognition (ASR) vocabulary for a voice activated service, the method comprising: a. posing, to at least one respondent, a hypothetical task to be performed; b. asking each of the at least one respondent for a word that the respondent would use to command the hypothetical task to be performed; c. receiving, from each of the at least one respondent, a command word; d. developing a list of command words from the received command word; e. rejecting the received command word, if the received command word is acoustically similar to another word in the list of command words.