Tweens already have immense spending power—and they’re not afraid to wield it. Kids 8-12-years-old hold significant influence over their parents’ purchasing decisions, influencing household goods. (The right snacks are very important.) And since today’s tweens have had access to the internet since birth, they already have developed online shopping habits of their own. They’re convincing their parents to buy into their trendy wishes or spending their pocket money on it themselves, but in ways unlike previous gens did at that age.  YPulse’s Tween Study survey asks 8-12-year-olds all about the biggest influences on their lives so far. From how much...