I don't wish to criticize you or your friends, but this is similar to the problem of having multiple TVs in a house. The only solution to this problem is to put the computers away and talk to each other.

In my house we have computers in an office, we have a TV in one room, but we have strict hours for the TV for the kids, we all eat meals together with no books, TV or computers allowed.

BTW I think it would be more healthy if the four of you sat in front of one TV and watched a program together (especially if you laughed at it, talked about it).