Tech Tent 45: Nokia calls back

Jack Dorsey co-founded Twitter, can he repeat his success with his current venture, the payments company Square?

What's going on at Nokia? Just months after Microsoft bought their phone business, the Finnish giant has unveiled a tablet computer under the Nokia name. So what did Microsoft get for its money? We ask Sebastian Nystrom, Head of Products at Nokia Technologies.

Plus, Vinod Kumar, the CEO of India’s Tata Communications discusses the challenge of bringing the next billion people online. And, the boys and girls of Silicon Valley can build multi-billion dollar tech empires, but many of them still can’t get a date, it seems. We meet the Silicon Valley matchmaker who’s helping them out with that.

Presented by Rory Cellan-Jones with special guest Kate Robertson, from Havas Worldwide and founder of One Young World, and Dave Lee and Jane Wakefield from the BBC Online technology desk.