Canada trying to lure Silicon Valley tech workers

(AP)—The Canadian government is trying to lure Silicon Valley tech workers who are frustrated by U.S. visa policies, just as Congress wrestles with a long-sought overhaul of America's immigration system.

Earth Hour says campaign spreads to 50 countries

A campaign by global environmental movement Earth Hour to get promises of action from individuals and organisations has spread to at least 50 countries, its chief executive said Wednesday.

UK MPs ask Facebook's Zuckerberg to testify on data row

A British parliamentary committee on Tuesday asked Facebook chief Mark Zuckerberg to appear before it to explain in person claims that millions of users' data was harvested for political campaigns.

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