A networked telephony system and method allow users to deploy on the Internet computer telephony applications associated with designated telephone numbers. The cylindrical portion has a hollow section along its axis for accommodating seat belt webbing and a torsion bar, with a seat belt webbing entrance slot and a seat belt webbing exit slot. The polarizing fiber of the present invention may be used as a forming material of a polarizer, for example. For example, the static coefficient of friction between the interlayer and the glass ribbon may be greater than or equal to 3. The film thickness of the oxide film 115 between the sidewall spacer 144 and the semiconductor substrate 10 is thinner than the film thickness of the oxide film 115 between the sidewall spacer 116 and the semiconductor substrate 10.