It is really interesting how that article is still valid.
When you have done the homework and selected a good low-power chip already, you must address the energy-efficiency techniques you describe to preserve your Coulombs.
Writing software thinking about Energy-Delay Product is not something that is usual, though. One has to change the way of thinking about accesses, classes and external memory.
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.