It’s rarely obvious in the moment that a tipping point has arrived. Did Indy become a technology city when Salesforce acquired ExactTarget for $2.5 billion in 2013, minting dozens of new millionaires and eventually planting its name atop our tallest skyscraper in April 2017? Or did it cross the threshold one month later, when the information-technology powerhouse Infosys chose Indianapolis for its U.S. headquarters and promised 2,000 jobs?