How much do you know your audience? This is a first post of an occasional series about customer profiles, marketing segmentation, and audience factoids. Google Insights just released a new infographic about EDM, or electronic dance music, which is something that millennials under 25 are watching quite a bit of on YouTube. Did you know that EDM fans are more likely than their peers to be online, engaging in tech-savvy behaviors such as buying music online or following a brand on a social network.