As the largest living generation, Millennials are a demographic every brand wants to charm. But the first trick in garnering their loyalty involves getting their attention and keeping it — no small feat considering these younger consumers aren’t as likely as Gen-Xers and Boomers to respond to traditional advertising or marketing tactics. Take some advice from more than two dozen marketing experts and executives who say they’ve found the secrets to engaging with Millennials. Here are their words on how to market to people younger than 35.