commercial use of drones

See the following -

4 Open Source Drone Projects

Over the past few years, interest in both civilian and commercial use of drones has continued to grow rapidly, and drone hardware sits at the top of many people's holiday wish lists. Even just within the civilian side of things, the list of unmanned aerial devices that fit the moniker of drone seems to be constantly expanding. These days, the term seems to encompass everything from what is essentially a cheap, multi-bladed toy helicopter, all the way up to custom-built soaring machines with incredibly adept artificial intelligence capabilities...