"Now referring to FIG. 3, a system according to an embodiment of the invention comprises a computer 301, preferably a standard PC with one or more CPUs, a computer screen, a keyboard, a pointing device such as a mouse, track ball, touch pad, touch screen, or the like, and with access to the Internet, for example via a modem or via a local network connected to the Internet 302." . . . . . . . . . . . . . .