Addresses the degree of choice that consumers have among commun. co. providing access to the Internet and among Internet service providers (ISP). It discusses: the current dist. of access modes among consumers and the key tech. diff. among commun. networks used for access to the Internet; the legal and regulatory diff. in how these providers are governed; whether these tech., legal, and regulatory diff. are affecting the develop. of consumer choice of commun. co. providing access to the Internet and ISP, and if so, how; and the extent to which users have full access to and choice of portals, applications, and content, and whether this access or choice is affected by users' selection of ISP or other factors.