Mobile World Congress: Top tech on display in Barcelona event
From the Rare aurora appears in the skies over England, and more of today's top videos series
The Mobile World Congress â one of the planet's top tech shows â has kicked off in Barcelona.
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The man credited with inventing the cellphone 50 years ago is optimistic that future advances in mobile technology can transform human lives. But he's also worried about the risks smartphones pose to privacy and young people.
A beautiful and rare aurora was captured over the skies in England, parts of the Sierra Neva…
