IBM's decision is a huge win for Gov. JB Pritzker, who has for years sought to make Illinois a global leader in quantum computing and innovation. The announcement comes a day after the City Council gave the multibillion-dollar quantum computing campus final zoning approval.

IBM plans to launch a research center here, giving another boost to the state’s effort to become a major hub for quantum computing.

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IBM, the tech giant known for revolutionizing computing over the past 70 years, is setting up shop on Chicago’s South Side to develop what could be the field’s