Well the word drone is being used everywhere instead of multicopters.
see for yourself.
http://timesofindia.indiatimes.com/topic/Drones (http://timesofindia.indiatimes.com/topic/Drones)
http://timesofindia.indiatimes.com/topic/Rc-Multirotors (http://timesofindia.indiatimes.com/topic/Rc-Multirotors)
Also read some articles from the first link.