The Guardian speaks to Manna Aero founder and orders coffee via startup’s app to be delivered to a suburban homeOne drone lifts up into the sky at a shopping centre on the outskirts of Dublin, then another. They rise to 70ft (21 metres), tilt forward and zip away in different directions, each carrying a paper bag.On a sleepy morning in the Irish capital the takeoffs build to a steady one every few minutes, with barely anyone glancing at the constant stream of aircraft buzzing back and forth. Continue reading...