Generating Demand Via Email or Snail Mail This email announced the availability of two new model homes to view, and the design center support available at Trilogy. This snail mail piece encouraged prospects to consider savoring the good life at Trilogy at the Vineyards. These are samples from a campaign for The Waterloo Courier that targeted specific demographic groups. This snail mail campaign for eleven different disciplines at University of Denver promoted graduate or certificate programs at the university.