Microsoft's Lumia may be a dead phone walking, as sales continue to fall

Microsoft said Thursday that it sold half as many Lumia smartphones as it did a year ago, and that the trend will continue—what some might call a virtual death sentence for Microsoft’s Lumia smartphone line.
In its quarterly earnings call Thursday, Microsoft said that it sold 4.5 million Lumia phones during the fourth calendar quarter, down a whopping 57 percent compared to  the 10.5 million sold during the same period a year ago. Phone revenue as a whole declined 53 percent, o