IMO they are impressed with your demo and fishing for inside information. If they can get you on the phone, get you talking, and flatter you enough, you'll pro

IMO they are impressed with your demo and fishing for inside information. If they can get you on the phone, get you talking, and flatter you enough, you'll probably blab some stuff they can use for their own project. You have a demo available, so obviously that is not what they are interested in.