This may be overly simplistic, but public companies must report once every quarter. Just change the report from monthly to quarterly - data can be extrapolated based on previous reports, new equipment purchases, supply purchases etc.
Reminds me of the old adage: Garbage In = Garbage Out. More correctly, it is a reminder to take all studies and surveys and statistics information with a healthy dose of skepticism UNLESS you know the real constituents of the data. Without the data constituent knowledge, you can only extrapolate gross trends.
Drones are, in essence, flying autonomous vehicles. Pros and cons surrounding drones today might well foreshadow the debate over the development of self-driving cars. In the context of a strongly regulated aviation industry, "self-flying" drones pose a fresh challenge. How safe is it to fly drones in different environments? Should drones be required for visual line of sight – as are piloted airplanes? Join EE Times' Junko Yoshida as she moderates a panel of drone experts.