Hexagon AB, a global leader in sensor, software and autonomous solutions, is showcasing its solutions for safe, sustainable cities at the Smart City Expo World Congress (SCEWC) 2019, which commences today in Barcelona. “Hexagon doesn’t make or sell ‘Smart Cities' — we offer technology solutions that are far more tangible and revolutionary,” said Ola Rollén (https://twitter.com/OlaRollen), Hexagon President and CEO. “The ‘smart’ we care about is the Smart Digital Reality™, which brings the physical and digital worlds together as one, empowering city leaders with the capabilities and tools