Today's advent calendar features an Android app I tested earlier this year and couldn't get enough of. If you're a fan of the Google mobile OS, this is my Christmas gift to you...

If you can't be bothered going through the hassle of being on a reality show, just install xxx on your phone and beam yourself live across the Internet for the World to watch. The xxx project is an ambitious and exciting one and once the technology really gets off the ground, the scope of its uses for entertainment, communication, and education will be huge - James