Using PDF and Word documents in the building of industrial facilities costs organizations millions in time, quality, and errors, so innovative companies are shifting documents into interoperable, reusable, data-centric digital models. This presentation will address some of the challenges of using static legacy documents and then describe the new movement around SWISS, a "digital thread for engineering documents". SWISS digital twin documents have been shown to improve productivity, reduce manual labour, shorten project times, and lower risk throughout the entire enterprise and supply chain.