As Drones Explode in Popularity, Potential Benefits, Dangers Emerge

February 18, 2016 06:01 PM
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An estimated 1 million drones were sold over the 2015 Christmas holiday period in the United States alone. The explosion in their popularity - and their plummeting price tag - has prompted some concern over the potential dangers of drones. But there is also recognition of the huge benefits the technology could bring. Henry Ridgwell has more from London.