Lily is the first of a number of these UAS that will be hitting the market.
There is one, I can't find the link right now, that folds and fits in a shirt pocket...the ultimate selfie without a stick. Very short duration flight.
Try this link:
sUAS News | Unmanned Aircraft System news for RPAS operators
The site is owned and managed by a friend of mine and I spoke at their Expo a few weeks ago.
Advances in control technologies have been quantum in the past 10 years.
Cool stuff but I am concentrated on aerial mapping, photogammetry, construction, surveying, etc. with UAS.