YouTube had been slow to accept vertical video but they're on board now. Credit: Jaap Arriens/NurPhoto via Getty Images If you weren’t sure about vertical video before, you can be sure about it now.

AWS Elemental Inference will let networks and studios convert live sports, news and other content into vertical video in real-time.

"The key thing that we're really excited about is the fact that we're able to do this in low enough latency for live ...