成人快手

Google leaps into virtual reality with a technology called Jump, and unveils its plans to fight Apple on mobile payments, smartphones, and more. Cat Jones of Unruly tells us what makes a video go viral on social media. And the 成人快手's Dave Lee meets the North Korean professor who schooled the nation's elite hackers blamed for cyberattacks abroad. Presented by Rory Cellan-Jones, with special guest Niklas Zennstrom, CEO of Atomico Ventures and co-founder of Skype.

(Photo: Sundar Pichai, senior vice president of Android, Chrome, and Apps at Google. Credit: Google)