Most photographers' workflows consist of taking the photos, removing the memory card, putting it in a reader, and importing their images. There is nothing wrong with that, but shooting tethered can be a real boon to your workflow if you are working in a studio, and this excellent video tutorial will show you how to do it.
Coming to you from Tony & Chelsea Northrup, this great video tutorial will show you how to shoot tethered. If you are shooting on location or in a lot of different places, this is not really a practical way to work, but if most or all of your work is in a studio, shooting tethered can provide a lot of benefits. While almost all modern cameras have a rear LCD screen that can be useful for checking focus or a histogram, they are simply too small to be useful for really evaluating your photos and are essentially useless if you are working with a creative team with multiple people who need to keep an eye on the progress of the shoot in real-time. Shooting tethered alleviates that problem by allowing you to see images on a large monitor as you shoot them, but the benefits don't stop there. Whatever editing application you use to ingest your images can apply edits automatically, which can allow your creative team and clients to get a much better approximation of the final image. Check out the video above for the full rundown.
Tony mentions at about the 7 min mark a bunch of stuff you can't do with C1, all of which you can. Doh.