This new special section from the NYT (free registration required) explores the world of online commerce. The fifteen features stories cover topics such as e-mail and spam, MP3 and the music industry, online scams, teens and online shopping, online advertising, starting an e-business, and online college courses, among others. Other content includes the favorite sites of "online industry leaders," and a number of additional articles, grouped by topic. The wide variety of subject matter and generally solid writing allows this site to appeal to many users inside and outside the world of online business.