Whois & Analysis for itworld.com

International Data Group, Inc. (IDG) is an American-based media, data and marketing services and venture capital organization.

IDG evolved from International Data Corporation (IDC) which was founded in 1964 in Newtonville, Massachusetts, by Patrick Joseph McGovern.

IDC provides market research and advisory services and is now a subsidiary of IDG.

Microsoft Corporation (commonly referred to as Microsoft or MS) is an American multinational technology company headquartered in Redmond, Washington, that develops, manufactures, licenses, supports and sells computer software, consumer electronics and personal computers and services.

Its best known software products are the Microsoft Windows line of operating systems, Microsoft Office office suite, and Internet Explorer and Edge web browsers.

Its flagship hardware products are the Xbox video game consoles and the Microsoft Surface tablet lineup.

As of 2016, it was the world's largest software maker by revenue, and one of the world's most valuable companies.

Google is an American multinational technology company specializing in Internet-related services and products.

These include online advertising technologies, search, cloud computing, software, and hardware.

Apple is an American multinational technology company headquartered in Cupertino, California that designs, develops, and sells consumer electronics, computer software, and online services.

The company's hardware products include the iPhone smartphone, the iPad tablet computer, the Mac personal computer, the iPod portable media player, the Apple smartwatch, and the Apple TV digital media player.

Apple's consumer software includes the macOS and iOS operating systems, the iTunes media player, the Safari web browser, and the iLife and iWork creativity and productivity suites.

Its online services include the iTunes Store, the iOS App Store and Mac App Store, Apple Music, and iCloud.

An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs.

All computer programs, excluding firmware, require an operating system to function.