By Olivia Snyder The Haldimand Press CAYUGA—Marjonneke Grech and her husband Frank were “early adopters of (the) digital nomad (movement).” After the harsh winter of 2013/14, the couple, who “aren’t Florida people,” decided it was time to find a warm temporary home in the city of Tulum, Yucatán, Mexico. MEXICO—Students at José Vasconcelos Jr. High School in Ek Balam, Mexico…