Interest in virtual reality is flagging among broadcasters and pay TV operators raising the prospect that it could go the same way as 3D around five years ago, which has more or less sunk without trace. Service providers have bigger things to worry about, including the march to OTT, while VR like 3D is being seen as hitched to head sets, significant for gaming, but condemned to remain a niche for mainstream TV viewing. But VR is bigger than 3D because it includes a number of aspects relating to immersiveness and quality that are not all confined to head sets. This is the background to the Virtual Reality Industry Forum (VRIF) which is presenting its first guidelines at CES 2018 after…