Marketing is profitably using the results of studying short term and long term needs of those who can pay for a one-time, or in most cases, a steady flow of service or product placementMarketing is profitably using the results of studying short term and long term needs of those who can pay for a one-time, or in most cases, a steady flow of service or product placementMarketing is profitably using the results of studying short term and long term needs of those who can pay for a one-time, or in most cases, a steady flow of service or product placementMarketing is profitably using the results of studying short term and long term needs of those who can pay for a one-time, or in most cases, a steady flow of service or product placementMarketing is profitably using the results of studying short term and long term needs of those who can pay for a one-time, or in most cases, a steady flow of service or product placement