In this feature article on Ministry Marketing Solutions, a Farmington based marketing firm representing Christian churches and authors, Wayne State marketing professor Hugh Cannon commented on the needs of churches to advertise. "If you've got to have a congregation of critical mass to survive, you've got to do something to make it grow, and there's a lot of competition from other religions and other things people can do," Cannon said. "If they don't do something, they'll get squeezed out."