(Plex Systems: Troy, MI) -- Plex Systems Inc., provider of Plex Online, the cloud enterprise resource planning (ERP) software for manufacturers, announces the upcoming videocast, “

Editor’s note: This is the first of Jack Dunigan’s

Hi, I’m a sales order. You know—the piece of paper or computer file on which the customer describes what he wants to buy and for how much. We sales orders are quite common. I was born one morning when a customer wrote me out and handed me over to a salesman.