it is embeded in the "help" part of another program. It is designed to make that other program easier to search by recognizing natural everyday-language input. By the way, I found that much by going to their web-site.... what I haven't found is whether update is necessary, How it changes the host program, or if I will open a can of worm by trying to update, since it forms an integral part of the host program. Anyone know about that yet?