Couldn't find news on their website; but not sure of the context of the tweet.
Though, from the amazon's perspectives: At re:invent 2018 Nvidia had some demos that was capable of similar. It did the infra red, and facial recognition. It was around the launch of this aws rekognition and deeplense. So technically, amazon can roll their own scanning, unless MARK has some patents around explicitly scanning for fevers. https://aws.amazon.com/rekognition/ https://aws.amazon.com/deeplens/