Fact: Drones and other autonomous systems

A report by KPCB suggests a CAGR of 98% in consumer drone shipments (commercial drone market figures are more difficult to come by). As another data point, DJI, the largest drone manufacturer globally with about 70% market share, achieved an average c.150% YoY growth in revenue over the last 3 years.
PwC’s global report on the commercial applications of drone technology estimates an addressable market of £100 billion (time frame not specified) across multiple verticals such as infrastructure monitoring, agriculture, security etc.