Comcast plugs in to larger audience with partnership

In a move that expands its already significant local stature, Comcast is adding several cable systems to its adselling partnership.

The partnership, Comcast MarketLink Washington, uses a fiber-optic line to join the local cable systems of four companies - Comcast, Cox, Charter and Adelphia. Linked in this way, the systems can become more efficient and more attractive to regional and national advertisers.

MarketLink will add several Adelphia systems in Northern Virginia, plus a Comcast system in Franklin, Pa., effective Feb. 25, says Pam Baratta, vice president and general...