Today we discuss what DLNA is and what it can mean for your home theater system. DLNA stands for the Digital Living Network Alliance and began in 2003 when a group of companies came together to create products that worked together. Today, there are more than 250 companies in the alliance.. They include consumer electronics, computer and mobile device manufacturers. DLNA published its first set of Interoperability Guidelines in June 2004 and the first set of DLNA Certified products began appearing in market soon thereafter. The latest version of the DLNA Interoperability Guidelines, version 1.5, was published in March 2006, and then expanded in October 2006. To become certified, products pass through the DLNA Certification Program. Less