Mobile survey: 37% of retailers now have a mobile site

Chicago -- The third annual Mobile Audit, released Thursday by e-commerce and digital marketing company Acquity Group, found that mobile adoption is on the rise. In fact, the percentage of retailers with a mobile site reached 37% in 2011, up from 12% in 2010 and only 4% in 2009 – a 210% increase over the past year alone. The survey also found that one in four retailers have at least one mobile app, with nearly a quarter developing for the iPhone, followed by Android (10%). The number of retailers offering mobile apps grew 278% over the past year, rising