Despite years of chewing the digital cud – not to mention a global financial downturn – there’s no sign of the U.S. or European ecommerce cash-cows ailing, according to two new forecasts from Forrester. In the U.S. Forrester is projecting online retail sales will reach $370 billion by 2017, up from $231 billion in 2013 – a 10% compound annual growth rate (CAGR) over the next five years.