Tech Tent 16: Russian internet laws and a YouTube mystery

As the Russian government tightens rules around the use of the internet what does it mean for business and bloggers? The boss of cloud-based notebook service Evernote, Phil Libin, talks data privacy and wearables. Technology reporter Dave Lee meets controversial New-Zealand based businessman Kim Dotcom, wanted by American authorities for allegedly masterminding mass-piracy of digital content through his Megaupload website. And can a YouTube mystery be solved? Nearly 80,000 video clips featuring red and blue rectangles with a sound effect have been posted on the site but why, and do they contain a hidden message? Rory Cellan-Jones presents with studio guest technology entrepreneur Kathryn Parsons from Decoded