One Direction, a little band you might have heard of, just released its latest video for the single "Kiss You," and it contains a few lessons for marketers trying to reach a teen audience, from how to dominate social media to feeding the need for nostalgia to building an emotional bond with fans. If you haven't seen the video yet, check it out here.

Nielsen recently released overall numbers for 2012. While some statistics were expected, others were surprising. Among the most baffling is the fact that only 6% of teenagers said that Twitter is their main social media source.

Adults aren't the only ones who set goals and resolutions for the New Year. But when we asked teens to name three things they hope to do in 2013, we were surprised by the most popular response: Do well in school. In fact, 70% of teens we surveyed (roughly 30 in all) named academic achievement as a top goal without even a hint of irony.