MWC Barcelona goes green by using giant smartphones by Giant iTab as a digital alternative to printed event guides.  MWC Barcelona (formerly Mobile World Congress) is the largest mobile event in the world, bringing together the latest innovations and leading-edge technology from more than 2,400 leading companies. The event, organised by the GSMA, is held at the Fira Gran Via in Barcelona and attracted over 109,000 visitors in 2019. The goal M...