There is a big battle going on at the moment between Sky and NTL/Virgin about who is going to provide all your home media.
Sky of course can offer TV, Broadband and have a deal with BT for their phones.
Virgin Media can now offer TV, Broadband, Phones and Mobile Phones.
So Sky do not like Virgin Media and Virgin Media do not like Sky.
The problem is that Virgin Media need to pay Sky money to show Sky1, Sky News, Sky Sports News ets.
Sky decided to ask for more money from Virgin Media to show these channels, and Virgin Media said no way.
So Sky said if you wont pay the money you cant show the channels.