Kobo doubles device sales, adds 4 million new customers

eReader maker Kobo has announced it has exceeded 2012 market forecasts, doubling device sales and attracting more than 4 million new customers within the last six months to bring its total to more than 12 million registered users. Contradicting forecasts claiming eReader sales would decline in 2012, Kobo's E Ink eReader sales were up nearly 150 percent in December, helping the company to claim 20 percent of the global eReader market. In less than twelve months, the company launched three new eReading devices and …