[y=mx+c]

“Hello sir , how may I be helping you today sir?”
“I have a fault with my telephone”
“Thanking you very much, please be unplugging your box and rebooting your box”
“No my set top is okay, its my phone line, its gone dead…”
“Pardon I not be understanding, sir. Thanking you very much, please be rebooting your box.”
“No… No.. my cable box is fine…”
“Pardon I not be understanding, sir. Thanking you very much, please be rebooting your box.”
“Okay! Ive done that and could I now address the question of my faulty telephone line?”
“Thanking you very much, please be taking out the smart card and be cleaning it from dust sir.”
“Eh? My box is fine.”
“Pardon I not be understanding, sir. Thanking you very much, please be taking out the smart card and be cleaning it from dust sir.”
“…I give up…I want to disconnect!”
“Thanking you very much, please be taking out the smart card and be cleaning it from dust sir.”
“Is poor customer service indicative of Virgin?”
“Pardon I not be understanding, sir. Thanking you very much, please be taking out the smart card and be cleaning it from dust sir.”

Say no more - http://news.bbc.co.uk/1/hi/magazine/6353491.stm