Translucent robots with cameras inside can detect human touch and differentiate between prods, strokes or hugs, which can help us communicate with them non-verbally
Source:
https://www.newscientist.com/article/2266045-robot-that-looks-like-a-bin-bag-can-understand-what-a-hug-is/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home