Part of it, experts say, is marketing â and tweens are much-sought-after consumers. Advertisers have found that, increasingly, children and teens are influencing the buying decisions in their households â from cars to computers and family vacations. According to 360 Youth, an umbrella organization for various youth marketing groups, tweens represent $51 billion worth of annual spending power on their own from gifts and allowance, and also have a great deal of say about the additional $170 billion spent directly on them each year. Toymakers also have picked up on tweens' interest in older themes and developed toy lines to meet the demand â from dolls known as Bratz to video games with more violence. Diane Levin, a professor of human development and early childhood at Wheelock College in Boston, is among those who've taken aim at toys deemed too violent or sexual. "We've crossed a line. We can no longer avoid it â it's just so in our face," says Levin, author of the upcoming book "So Sexy So Soon: The Sexualization of Childhood." Earlier this year, she and others from a group known as the Campaign for a Commercial-Free Childhood successfully pressured toy maker Hasbro to drop plans for a line of children's toys modeled after the singing group kittycat Dolls. http://news.yahoo.com/s/ap/20061125/ap_on_re_us/teen_tweens What kids are allowed to see and hear on a lot of mainstream television seems to be child sexual abuse. It gives them role models and accepted behavior that is way ahead of their development. I would love to know the percentage of the Desperate Housewives audience that is preteen. I think all the entertainment gossip shows must be written for the eleven year old mind.