Giancarlo Valdes / VentureBeat: IHS reports cloud-based gaming earned $387M in 2018, with Sony's Playstation Now responsible for 36% of that total, and predicts it will grow to $2.5B by 2023  —  Cloud-based gaming is starting to heat up.  In a new report from market research firm IHS Markit, cloud gaming earned $387 million in 2018 …