Apple Inc. is a multinational company that makes personal computers (the Macintoshes), software (macOS, iOS, watchOS and tvOS), and mobile devices (iPod, iPhone and iPad) like music players. Apple calls its computers "Macintoshes" or "Macs", and it calls its laptops "MacBooks". Their line of mobile music players is called "iPod", their smartphone line is called "iPhone" and their tablet line is called "iPad". Apple sells their products all around the world. Apple Inc. used to be called Apple Computer, Inc., but Apple changed their name after introducing the original iPhone.