How the year’s innovations will reverberate through 2014 and beyondRemember when we had “cell” phones and email accounts we accessed solely on our desktop? Virtual resources and smart gadgetry now play major roles in our daily lives—often from the palms of our hands. 2013 will go down as the year of temporary social media (see: Snapchat, where messages self-destruct, Mission Impossible–style, in 10 seconds); design software for 3-D printers that uses artificial intelligence capabilities (really!); and pseudo-spectacles that take pictures, conjure maps, and tell you the weather. Below, five 2013 developments poised to affect retailers for years to come.VIDEO APPSVideos that showcase beautiful jewelry are like candy for bling-loving consumers—and millennials love sharing video on social media. Two notable video apps that debuted this year: Vine, which lets users edit six-second