PORTLAND, Ore.--(BUSINESS WIRE)--Digital Living Network Alliance:   WHO: DLNA to present at the Wi-Fi Symposium: Service Provider Wi-Fi   WHAT: VidiPath overview and deployment update   DLNA will provide attendees with an overview of its VidiPath Certification Program that enables consumers to use TVs, smartphones, PCs and tablets to view subscription TV content seamlessly throughout the home. Developed with broad industry participation from service providers and consumer electronics manufactur