Techweek, the nation’s leading technology conference and festival showcasing, celebrating and enabling emerging innovation ecosystems, today announced Microsoft as the 2014 Techweek Chicago presenting sponsor. Techweek Chicago is the largest Midwestern technology conference dedicated to bringing together entrepreneurs, visionaries, influencers and thought leaders under a single 7-day “big tent” on June 23-29, with the conference and expo on June 26-28 at the Merchandise Mart.