The collaboratively authored free encyclopaedia Wikipedia has so far consumed around 100 million hours worth of human thought. The tech visionary Clay Shirky, joins Digital Planet to explain how the internet is harnessing a trillion hours of cognitive surplus for the greater good of mankind.
Football has come to a rural part of Kenya with limited electricity and connectivity via a massive inflatable TV screen. Anna Lacey reports on the Kenya Field of Dreams project.
And, in the wake of that alleged Russian spy ring in the United States, Steven Ashley reports on the very latest in spying technology.