Up until a year ago, there wasn’t an official Apple-endorsed option for connecting iOS devices to the HDMI ports of high-definition televisions; the company instead sold some very expensive composite and component AV cables that were capped at far below the 720p output capabilities of the latest Apple devices. So Apple released the Digital AV Adapter in March 2011, featuring a male Dock Connector plug at one end and two ports at the other: an…