Knowledge: Popular drones, such as the DJI Phantom might come equipped with advanced GPS technology for precise navigation. The Iphone and Samsung Galaxy series of phones have significant global presence and user base

Conversation:
I am a computer repair technician. Business has been tough lately because no one buys computers anymore!
Oh, that's too bad. A lot of folks are shifting towards smartphones and tablets
I might have to do the same. What are the popular ones?

Response: The Iphone and Samsung Galaxy series of phones enjoy worldwide popularity and user base