... they were asked if it would be possible to shoot the show vertically, so it could be watched on phones, or if they could make episodes significantly shorter, to be enjoyed on the go. Thankfully, those ideas didn’t come to pass but they all speak to the environment Benioff and Weiss were in trying to finish the show after AT&T purchased HBO.
Big "it's just some content, who cares" energy
Source: This Gizmodo Article