Tech Giants Turn on Trump - a podcast by BBC World Service

More than 100 US tech firms, including some of the industry's biggest players, have filed a legal document stating that President Trump's immigration ban affects their operations and "inflicts significant harm" on business.
Journalist Alison Van Diggelen will bring us views and reaction from Silicon Valley.

The BBC's Daniel Gallas takes us through a significant meeting in South America, as the President of Argentina Maurico Macri, travels to talk cross-border trade with his Brazilian counterpart Michel Temer.

From big tech companies, to smaller, more local ones now - we'll hear about the big ambitions for local social networking site Streetlife, from its founder Matt Boyes.

The BBC's Fergus Nicoll will be joined throughout the programme from San Francisco, by the journalist Alison Van Diggelen and from Kolkata by the BBC's Rahul Tandon.

PICTURE: Leading tech CEOs, including Apple's Tim Cook meet with President Trump in New York prior to his inauguration.
(Photo by Drew Angerer/Getty Images)

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