Flowrider is an indoor surfing wave company. In order to expand its customer base and bring more surfers into the pools and facilities that offer Flowrider experiences, Flowrider decides it needs to offer a short-term incentive for people to stop by and try the experience. Because the ride is usually on the more expensive side, Flowrider offers a 25% discount for anyone with a specific coupon for the next 30 days. The coupon is delivered through email, text, and a newspaper insert. What type of marketing tool did Flowrider use to entice people to try their product