MONTREAL – Quebecor Media's cable and telecom division Videotron continues to turn in strong growth numbers, driving the division to across-the-board increases in the second quarter, ended June 30th. Videotron added 55,000 cable telephony customers, 26,000 high speed Internet subscribers, 10,400 new wireless users, and 1,900 customers for all cable television services combined, including a 26,300 customer increase for illico digital TV, says today's press release. Videotron's monthly average revenue per user increased by $9.78 (16.3%) to $69.95 in the second quarter of 2007. However the rate of growth has remained static in some segments as the company added 56,200...