New Mac user here so sorry of this is old hat. I searched without success... When I press the shortcut for a screenshot (Command + Shift + 4), then press the space bar, I get crosshairs for selecting the area. Cool. It saves the image to my desktop, so far so good. But when I embed it into an Outlook email, I noticed that the size is much larger that it should be. Looking at it in Photoshop, I can see that the resolution is like 140dpi or something (sorry, not in front of my Mac at the moment). Is this normal behavior? Or is it something about the Retina display? TIA!