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As shares in the Chinese e-commerce giant Alibaba begin trading in New York, the largest US share flotation ever, how did the man who built the company do it?

Also, Microsoft buys up the Swedish independent games company Mojang, the creator of the hugely successful Minecraft franchise, for $2.5billion. So what's Microsoft playing at? And, AndroidOne – Google's low-cost smartphone platform, launches in India. Will it bring about a revolution in the way Indians use the net?

Presented by Rory Cellan-Jones, with Leo Kelion and Joe Miller from the Â鶹ԼÅÄ online technology desk, and special guest Sherry Coutu, tech entrepreneur and investor.