The Gartner research firm has an interesting 615 word article that is subtitled "The personal drone is crossing over the toy boundary to become a serious consumer device".
The article answers three questions which is also poses:
Apparently the brief article is only a "teaser" for their report Competitive Landscape: Personal Drones, 2015 which you can purchase for $1,295. Note that this report is free if you register with Gartner for an estimated (by Quora) $20,000 to $30,000 for a year's subscription.
Talk might be cheap, but information isn't apparently.