Casting audio, video, pictures, and more from your smartphone or tablet to the TV is one of the easiest ways to get content from the little screen to the big screen, but it requires an app that supports the feature in the first place. For example, try using Adobe Reader or Google Docs to cast a PDF to the TV. You're out of luck.
Thankfully, enterprising developers like Stefan Pledl—the creator of LocalCast—have been able to whip up some really nice looking solutions that allow users to cast almost any consumable content to the big screen.
This contest is now over.