Removing something from its background has been perhaps the most popular task in Photoshop. For those on CS6 or earlier versions, the quick select brush and refine edge have been the tools of choice for most of the work.
But the new Photoshop CC Select and Mask space provides dramatically better results than refine edge. This tool will let you to quickly make selections based on similar colors and textures as well as detecting the edges of objects. Start with the Quick Select brush, like you always have, or in Select and Mask, by choosing a selection tool and clicking Select and Mask from the tool options bar.
In this video Colin Smith, from Photoshop Cafe, will show you the ins and outs of the new selection features in Photoshop CC.