earthmate gps and the software determine her location and then calculates the best directions to get to her predetermined destination the delorme system uses spoken directions with multimedia laptops enabling the salesperson to focus on the road rather than glancing away at a screen for directions once at the sales lead location 59 it sometimes happens that the person whom the salesperson has an appointment with is unavailable and neglected to call her to reschedule usually the salesperson would return to the sales office 50 or kill time if she has another potential sales lead appointment today the more productive salesperson may go the company listing board in the building of the sales lead location 59 where she is at and try and locate a possible cold call sales lead in her target market 2 1 this approach is very much a hit and miss technique because even though the salesperson may identify a potential sales lead from the billboard she does not have any further information that for example may be stored in the central sales leads database 61 or local sales leads database 51 the preferred embodiment solves this problem by allowing the salesperson to connect securely to these databases by means of a wireless network various wireless networks are evolving in the marketplace today such as wap wireless application protocol.