Published October 19. 2017 7:59PM | Updated October 19. 2017 8:36PM By Lee Howard   Day staff writer l.howard@theday.com  KingstonLeeHow Groton — Matthew Gillen of Mystic, a 17-year-old student at Grasso Tech, was one of about 100 people who attended Paul Singh’s North American Tech Tour stop Thursday at CURE Innovation Commons, hoping to get some tips on entrepreneurship. Gillen, who writes apps […]

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