Kids and Marketing

Lots of people are spending lots of time talking about the ethics of marketing to kids. Lots of flap over sugary sodas, fast food, cigarettes.
Here's an interesting new take on the issue, courtesy CNET, asking whether kids are ready for the grown-up ad world when it comes to online activities like gaming.
You've recently left the teen set, what do you think of this? Should ad messages be aimed at kids? Does online matter in a different way than TV? Should government control ads targeting kids? Should parents? Is that even feasible? How much marketing pressure did you feel as a kid?