The days of a standard phone size are gone. 3.5-inch? 4.3-inch? 5-inch? Phone makers are less concerned with which size is right, and clearly becoming more concerned with offering as many sizes as possible.
Case in point: Engadget has surfaced a leaked photo of what appears to be a smaller version of the HTC One, or the One Mini. Obviously, the photo itself isn’t confirmed, nor is…