Referees can leave their pencil and notebook at home. All they need is a smartphone. That seems like something for future referees, but according to The Next Web a Mexican referee has officiated a match with Referee Pro, “a smartphone app that will see the first ever football match kick off today with a professional match official using his mobile phone to record events, as well as dishing out yellow and red cards”. The referee appointed for last Thursday’s match between América and Tecos was Miguel Pensamiento. The use of a the digital notebook in an official match is the ultimate test for producer Siine. They wrote on their website…