When Epocrates officially filed its plans for a $75 million IPO in mid-2010, the point of care medical reference company said it had more than 1 million users across the globe. At the time it said about 40 percent of the physicians in the US used its applications. Two years later Epocrates still has about 1 million total users but about 50 percent of US doctors now use its apps. Epocrates' user...
