Tech companies such as Amazon or Google are planning major drone projects . David Calo : Imagine that you 're shopping at Barnes & Noble . drone technology can revolutionize delivery , agriculture , photography . He says of drone there are many technical , legal and social hurdles to overcome . Calo : When drone ##s market opens , that 's when innovation will take really off .
Tech companies such as Amazon or Google are planning major drone projects . David Calo : drone technology can revolutionize delivery , agriculture , photography . He says of drone there are many technical , legal and social hurdles to overcome . Calo : When drone ##s market opens , that 's when innovation will take really off .