Think you know iOS inside out? Well, think again. Unlock your iPhone's full potential with these hidden tweaks.

Amanda Smith is a freelance journalist and writer. She reports on culture, society, human interest and technology. Her stories hold a mirror to society, reflecting both its malaise and its beauty.

U.S. law enforcement is greatly expanding its use of surveillance drones, and private actors are also seeking to use the technology for personal and commercial use. Drones have many beneficial uses, ...