A tactical look at how to conduct business on the Internet - whether it's buying, selling, servicing customers or collaborating with partners. Get sound advice on key technologies, implementation complexities, security considerations, and best practices employed at successful companies.

James Lewin is a system engineer and Web analyst. He has worked in digital publishing since 1987, and with the Internet since 1995. His articles have appeared in a variety of offline and online publications including IBM DeveloperWorks. Reach him at: lewingroup.com, or via his web site at: http://www.lewingroup.com. Find his most recent ITworld.com articles at: http://www.itworld.com/nl/ecom_in_act/.