Comcast will be collaborating with several networks, including HBO and Showtime, during the last week of March to encourage "binge viewing" by making several series available free on demand. AP story from my local newspaper:
http://www.sj-r.com/breaking/x1037522410/Comcast-networks-collaborate-on-TV-binge-week
http://www.sj-r.com/breaking/x1037522410/Comcast-networks-collaborate-on-TV-binge-week