ST. PETERSBURG, Fla., 2016-Sep-20 — /EPR Retail News/ — Interactive multichannel retailer HSN, Inc. (NASDAQ:HSNI) announced today (Sept. 16, 2016) the launch of an augmented reality (AR) design app across two of its home and lifestyle brands within the Company’s Cornerstone portfolio – Frontgate and Ballard Designs.  This experiential mobile technology, powered by augmented commerce leader…