Reaching out

摘要

Digital signage is evolvingfrom screens in retail or venues on to portable smartphones and tablets. Can the industry keep up? This year's Screenmedia Expo will be as good a gauge as any. Paul Milligan looks at what the show has to offer.rn»Now in its seventh year, Screenmedia Expo, held at London's Earls Court 2, will once again feature the brightest and best technology and services available in the digital signage sector.