Preston GrallaContributing editor, PCWorld Follow me on Google+

Preston Gralla is a contributing editor for Computerworld.com and the author of more than 45 books, including NOOK Tablet: The Missing Manual (O'Reilly 2012) and How the Internet Works (Que, 2006).

Enhance Firefox 4 with ten free add-ons

The recently released Firefox 4 is a big improvement over previous versions of the popular Web browser, but you can still teach it plenty of tricks.

Greenpeace: Facebook, others have a hand in global warming

Greenpeace has charged that Facebook, Apple, Microsoft, Google and others are contributing to global warming by using coal to power data centers for their cloud-based services.

Google, Microsoft and Apple: Which one will thrive?

As Apple, Google, and Microsoft look to encroach on the turf of the others, which one is best positioned for the future -- and which is most likely to fall? Computerworld's Preston Galla offers his take.

Would two Microsofts be better off than one?

A decade after Judge Thomas Penfield Jackson handed down his eventually vacated order to slice up Microsoft, Preston Gralla wonders whether the giant company might have been better off split into two.

A Windows guru spends two weeks with a Mac

Computerworld challenged Windows expert Preston Gralla to work with Apple's MacBook Air for two weeks. Will he ever go back to a PC?

Why netbooks are killing Microsoft

The popularity of netbooks is hurting Microsoft’s bottom line. Computerworld’s Preston Gralla explains why.

Why Google has lost its mojo

Google looks as if it’s on top of the world right now, holding an ever-increasing lion’s share of the search market. But Preston Gralla of Computerworld thinks the company has lost its mojo.