27 The Common Denominators The most exciting digital twin model to emerge attempts to combine all the above into something that mirrors the complexity of entire cities, or even nations. Grenada, for example, has built an impressive country-level digital twin that helps the Caribbean nature understand and prepare for extreme weather events. The mirroring ability of digital twins can obscure qualities that are more prosaic, but no less powerful, than the ability to mirror dynamic systems. Digital twins foster collaboration and communication. They provide a common view for stakeholders to understand how systems may evolve. And their visual intuitiveness is a way explain progress to communities, regulatory agencies, or anyone else who may be affected by evolving systems. Finally, there is the power that has long made GIS an optimal way to organize spatial information. The many data flows that comprise complex systems may originate from disparate sources. Oftentimes, the only thing these groups of data share is that they have a spatial component, a shared location. GIS-based digital twins honor this similarity while visually emphasizing it. Geospatial digital twins offer something that approaches complete contextual awareness. By helping us visualize the crosspollination of data flows, these digital twins connect abstract data with concrete experience. Geospatial digital twins offer the ultimate contextual understanding by answering the constantly shifting question of “where?” For engineers, Vodafone’s digital twin of downtown London, England, enables signal propagation modeling to tune the signal to the neighborhood and user demand. Guiding Good Governance
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