One of the many "small-but-big" changes in Snow Leopard was Apple's change to a darker default 2.2 Gamma from the lighter 1.8 it has been using since the desktop publishing revolution began three decades ago. The choice of choosing 2.2, the Windows' default Gamma setting, will help designers who design for both Mac and PCs (and who doesn't anymore?) get output that matches on both platforms - a welcome change for those who had to try to please people on both sides of the aisle.
But why did Apple change, and more importantly why now?
John Nack, Adobe Photoshop's Blogger/Product Manager asked a very qualified collegue, Adobe Principal Scientis