Google is the world's most popular web destination. It started as a search company and it still calls itself primarily a search company but Google has transformed just as seemlessly as their logo design.
Yahoo offers search, mail, news and many other services. Including solutions for small businesses such as website design and hosting services.
Microsoft releases the world's most commonly used Windows series of operating systems. It also offers a large variety of solutions for businesses, large corporations, schools and governments.
IBM is among the pioneers of computing in the world. Today they offer solutions for almost any organization educational, government, small or large businesses.
Facebook is social networking website and most probably the largest social networking website. It offers advertisers solutions to reach their targeted audiences.
