Drew Fustini posted this fun project over in the element14 community.
BoothStache is a version of BeagleStache by Jason Kridner optimized for an expo hall booth at a conference (like DESIGN West). Instead of a LCD cape, BoothStache uses the BeagleBone Black’s HDMI port to display the webcam feed on an HDTV. An added twist is a big red USB button that the user presses to send a tweet of their stache photo (thanks to Python helper that bonnie555 wrote called BeagleButan). Here’s the setup: