Companies have woken up to the potential of the 'sharing economy', much enhanced by the arrival of 4G, writes Suchit Leesa-nguansuk A variety of mobile apps, from lifestyle aids to productivity tools, travel planners to social media, are set to enter the market this year to take advantage of the proliferation of mobile devices and the arrival of 4G technology. It may be the biggest year for the growth of mobile apps and digital content thanks largely to the arrival of fourth-generation wireless broadband technology, says Sompoat Chansomboon, director of business innovation and DTAC Accelerate at Total Access Communication Plc .