This is a moderately interesting article that discusses a big issue. It is almost impossible today to engage in commerce without revealing some sort of personal information and corporations are setting an early expectation with young children that giving out personal information is okay. Even something as seemingly harmless as building a teddy bear with your toddler presents a privacy and data aggregation risk. Why does the video professor send you those free DVDs? Because your name on a list as being interested in computers and software is worth more to him on the secondary market than the cost of the DVD.