HTML5 is definitely gaining momentum in the digital signage industry. A recent video (shown below) on the Timberland store concept tells an exciting tale, deploying an "open source, cloud-based, HTML5-based information system."
U.K.-based Dynamax Technologies announces that it has successfully helped its client Review Systems to replace SD card players with XMP-130 Wireless Media Appliances running the digitalsignage.NET cloud service.

What better promotes a great new product than crisp, vivid 1080p video? And what does a better job than the simple, plug-and-play IAdea HD Media Appliance?
Engadget runs an in-depth report on the high-profile in-store promotion of the Nook Tablet from Barnes and Noble, the latest e-reader device from the oldest and largest book retailer in the United States.
Background
Taiwan Taoyuan International Airport (previously known as CKS or Chang Kai Shek International) is the largest of three international airports in Taiwan, serving over 20 million passengers each year. The recent opening of direct routes between Taoyuan International and major airports in China is rapidly driving up passenger flow, and major renovation of Terminal 1 and construction of the new Terminal 3 are underway to cope with the predicted growth.
Background
IAdea has been providing digital signage equipment to the China Post Media company, who is commissioned by the China Post Office to install and operate 1 to 4 displays in each of China’s 71,000 post offices. The network is given the mission to turn each post office into a convenience store that serves the need of 1.3 billion people, many of whom live in geographically isolated areas where the typical commercial chain stores cannot reach.