by the Commission. (3) A description of progress during such year in advancing the universal service principles described in subsection (b) and the requirements for meeting future growth in the demand for the services that are supported by Federal universal service support mechanisms, including challenges that may prevent the advancement of such principles. . (g) Broadband internet access service defined Section 254 of the Communications Act of 1934, as amended by subsections (d) and (f), is further amended by adding at the end the following: (o) Broadband internet access service defined In this section, the term broadband internet access service — (1) means a mass-market retail service by wire or radio that provides the capability to transmit data to and receive data from all or substantially all internet endpoints, including any capabilities that are incidental to and enable the operation of the communications service, but excluding dial-up internet access service