Australia's smartphone penetration, which currently sits at 73 per cent in the 15 to 65 age group, is set to reach 93 per cent by 2018, according to analyst firm Frost and Sullivan's ‘Mobile Device Usage Trends 2013' report.Related StoriesMoto X vs. iPhone 5: Head to headUnbreakable new iPhone 6 concept on the cutting edgelessIn China, Apple overtaken by Xiaomi in smartphone rankin
