About Apple Inc.
Apple Inc. is an American multinational corporation that designs and manufactures consumer electronics and computer software products.
The company's best-known hardware products include Macintosh computers, the iPod, the iPhone, the Apple Watch, the iPad, etc.
Apple software includes the Mac OS X operating system, the iTunes media browser, the iLife suite of multimedia and creativity software, the iWork suite of productivity software, Final Cut Studio, a suite of professional audio and film-industry software products, and Logic Studio, a suite of audio tools.
The company operates more than 250 retail stores in nine countries, and an online store where hardware and software products are sold. There are music, movies and more on iTunes Store.
About M4V Video
M4V files are iTunes Video Files. The M4V file format is a standard file format for videos for iPods and PlayStation Portables developed by Apple.
Nowadays, Apple's products like the iPod, iPhone, and iTunes Store are becoming more and more popular. So M4V files are commonly used. The M4V file format is based on the MPEG-4 AVC video codec, which is a global media standard with the aim to provide optimized video podcasts for the iPod.