Coffee or other drink, for example a caffeine containing drink, is delivered to individuals that
would like the drink, or who have a predetermined cognitive state, using an unmanned
aerial vehicle (UAV)/drone. The drink is connected to the UAV, and the UAV flies to an area
including people, and uses sensors to scan the people for an individual who has gestured
that they would like the drink, or for whom an electronic analysis of sensor data indicates to
be in a predetermined cognitive state. The UAV then flies to the individual to deliver the …