Increasingly,consumer product companies and retailers are targeting teens.In the United States alone, the en market comprises nearly 60 million onsumer, and heir purchases total $170 billion a year. Some een-specific sies, such as Delias.com, have proved successful. Delia's sells clothes that appeal to eens while providing chatrooms and links to other teen sites. Two of the most popular teen sites are Amazon.com and Gap.com. Wal-Mart.com is also popular, despite the fact that it dose nothing in particular to attract teens to its sites.Teen like it for its good pries.