The Offline Glass has been specially designed with a section of its thickened base cut out so that it must be supported by a phone. Created by the advertising agency Fischer & Friends, it was unveiled by Salve Jorge bar in Sao Paulo, Brazil's biggest city to help drinkers put down their mobiles when socialising. Flavius Cinira, one of the owners of the bar, said: "The spirit of Salve Jorge is to b