Clearly we are dealing with customers who aren't happy, and we are doing that very much in public eye, but lots of customers respect the fact that we are on Twitter at all.

BBC: Twitter celebrates its seventh birthday

"Clearly we are dealing with customers who aren't happy, and we are doing that very much in public eye, but lots of customers respect the fact that we are on Twitter at all, " he said.

BBC: Dead customer Virgin Media bill goes viral on Facebook