This recent article in control magazine may be of some interest to some of you:
https://www.controlglobal.com/articles/2018/virtual-augmented-and-mixed-reality-could-benefit-process-automation-industry/?utm_source=hs_email&utm_medium=email&utm_content=65436425&_hsenc=p2ANqtz--wqnYtGAlBSfGx5faPQ34LP5BSN7cu0WKa4a2N-sc67GIzeaUxgCwRmXzYWU9pEk4toYfXS1KGZ-3GfczstVVAAO5I-w&_hsmi=65436425