Never mistake selling for marketing
Marketing, definitely, is a disparate discipline from selling. There are (at least) four implicit characteristics of marketing, rarely observed, but nevertheless of great importance in practice: 1) Branded products only (communication needs a name to refer to), 2) Price/value relation (not supply and demand) decide sales, 3) Positive price elasticity possible (value-enhancing activities can increase sales), 4) Audience, not market (full value in a limited audience only) is the primary target. Companies unaware of the difference may get into trouble with sales people in charge of their marketing department. To get the full story, read it all!