Smartphone and tablet based commerce is expected to account for 49 per cent of online sales in Europe by 2018, according to Forrester. The market researchers believe the mobile sector will fall within a hairs breadth of a majority in the €142bn (£111.5bn) market by that time, with mobile accounting for €28.2bn (£22bn) of that total and tablets the remaining €113.3bn (£88.7bn). The figures cover seven key European markets.