DT’s have been around for a long time. DT’s are also becoming a buzzword for many different digital development. We have heard about DT’s for factories, cities and metaverse among others. Digital Twins should have feedback to the origin of the data whileDigital Shadows are merely copies of DT’s. What is a digital twin? This is what I explain in this article for the national Tivia organisation in their news. Open the Finnish article here: https://tivia.fi/uutiset/tivia-news-1/smart-city-digital-twin-1867
