Microsoft said it plans to buy mega games company Activision Blizzard in deal worth almost $70bn. How will this deal transform the gaming industry? We hear from Louise Shorthouse, senior games analyst at Ampere Analysis. Plus, are we all eventually going to live in a virtual world? Philosopher David Chalmers explains why he believes that virtual reality will overtake the material world. And, what makes a game go viral? We hear from Wordle fan and associate professor at Texas Tech University, Nick Bowman. (Image: the logos of Microsoft and Activision Blizzard. Credit: Getty).

What does the conviction of Theranos founder Elizabeth Holmes tell us about tech startup culture? The BBC's James Clayton is joined by NPR tech reporter Bobby Allyn to ask if any lessons are being learned by Silicon Valley, where startups are encouraged to promise world-changing technology, and investors demand sky-high valuations. We discuss the impact of the Theranos scandal with one of the whistleblowers involved, the venture capital companies funding exciting new tech companies, and the biotech startups who say blood testing technology still has a bright future. (Photo: Theranos founder Elizabeth Holmes arriving in court in November, Credit: Getty Images)

The major tech show returns to Las Vegas after going virtual during the pandemic. But as the impact of the coronavirus continues to be felt, is there still a place for major industry events like these? Chris Fox speaks to CES organiser Karen Chupka, and to some of the hundreds of startups exhibiting at the show. The BBC's Lara Lewington discusses some of her favourite gadgets at the event, and Spencer Kelly tries out a taxi service made up of remote controlled cars. (Photo: CES show in Las Vegas, Credit: Getty Images)

The BBC tech team on what we'll all be talking about over the next 12 months. Featuring Silicon Valley correspondent James Clayton on why Web 3.0 will be the buzzword of 2022, technology editor Zoe Kleinman on tech to fight climate change, plus what the new year will hold for AR and VR hardware, cryptocurrency and regulation, the new space race, and the future for Mark Zuckerberg. Presented by Joe Tidy with Jane Wakefield.

What better way to review the big tech stories of 2021 than with a battle of wits? Chris Fox tests the finest minds in tech journalism on the biggest events in tech over the last 12 months. Featuring Rhiannon Williams, technology correspondent from the i Newspaper, Shona Ghosh, technology editor at Business Insider, and BBC tech reporters David Molloy and James Clayton.