Looking back on 2012 means looking ahead to 2013—and the progress and ­prosperity we know it will bring for our retail readers. With your bottom line (and your customers) in mind, the JCK editors gathered 10 trends, technologies, products, issues, and ideas that will soon change the way ­jewelers do business. We can’t wait to see your stores thrive in the new year. We’ll be right here every step of the way.The Rise of the (Jewelry) MakersIn JCK’s July–August 2012 issue, we brought you news of a laser-melting machine that “grows” gold jewelry layer by layer on a plate of atomized metallic powder, according to instructions imported in a CAD file. If that sci-fi future doesn’t give you pause, consider this: Brash young design firms like Nervous System in Somerville, Mass., or Kraftwürx in Houston already are harnessing the power of 3-D printing to offer mass customization