HBO have revealed that Game of Thrones is the fastest-selling DVD or Blu-Ray release in the company's history. Season 1 of the show outsold all of their prior box sets in its first seven days on sale. When you realise that means it has outsold The Sopranos, The Wire, True Blood, Band of Brothers or The Pacific, that is a huge and impressive achievement. The series also set new records for HBO sales on iTunes.
Notably, the box set shifted somewhat more copies (57% in the USA) on Blu-Ray than on DVD.
Excellent news, especially as we know that DVD sales were going to be a key factor in future decisions to renew the series.