With all three preliminary hackathon events now closed, we’d like to congratulate all of the winners from the Vietnam AI Grand Challenge! The events took place across three cities in Vietnam, with a total number of 187 teams registered. Each event was a true display of good sportsmanship, incredibly difficult competition, and uniquely innovative ideas. All of the teams worked diligently for the duration of the 72 hour events, but in the end, it was…