Increasingly,consumer product companies and retailers are targeting teens.In the United States alone, the en market comprises nearly 60 million consumers, and their purchases total $170 billion a year. Some teen-specific sites, such as Delias.com, have proved successful. Delia's sells clothes that appeal to teens 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.