Tech to compete against a disruptive Amazon.com will continue to be central to retailers’ strategy in 2019. But it isn’t the only thing that will appear on retailers’ tech shopping list. While you can expect to see more holographic 3D images at malls and stores to wow you, these six trends that were evident at the National Retail Federation’s annual “Retail’s Big Show” last week will have a more lasting impact. More cloud-connected machines, part of the buzzed-about internet of things, are coming to stores. Read more at Forbes.