Millennials are the wave of the future. In fact, according to Buxton Customer Analytics, by 2020 millennials (ages 20-36) are projected to have a spending power of 1.4 trillion dollars–more than any other generation before them. This statistic makes it imperative for PR pros to deduce if some of the older, tried-and-true strategies appeal to the millennial generation. For instance, does direct mail work, or has digital marketing rendered it obsolete? As social media and search advertising have become integrated into our everyday…