We've searched every corner of the web for the most useful (and useless) sites you've never seen. Download free movies and music, find the cheapest shopping sites, get a degree, make money, walk on Mars and much more.

How did a vibrant palace of bargains and trust turn into a standoff between buyers and sellers? Part one of our major feature.

Our full guide to saving cash-saving secrets is here, from how to get discounts on PCs, to SIM only phone contracts, the best DSLR cameras deals, and discount licensing from Adobe, Microsoft and others.

Still not sure whether it's worth upgrading to Vista? We put XP and Vista through the ultimate face-off.

With the free products on our new cover DVD, you need never buy software again. So why do we still keep paying?

We’ve examined the data from more than 8000 readers to reveal exactly what sort of reliability, customer service and satisfaction you can expect in 2007.

We've traversed the acronym laden landscape of VoIP for you, and present you with the PC Authority guide to VoIP: what it is, what kinds of services you can find, what savings you can expect to make and how it is that you can go about setting up VoIP for yourself at home.

How will you be computing in the next 12 months? PC Authority brings you 2005's big technology stories - before they happen.

Want to skip the Christmas crowds, or nab a once in a lifetime bargain? Online shopping could be the answer. Tim Dean looks at the glory and the pitfalls.

Nathan Taylor explores the world of wireless technology, from WANs, LANs and PANs - what we've got and what's to come.

Do you have a business or are in charge of a business’ tech security? Get some tips from PC Authority’s experts.

Is your PC the stable, error-free platform you need? We didn't think so. Leigh Dyer, David Kidd and Ty Pendlebury present the essential guide to fixing your PC.

The Internet is booming again, but this time it’s very different. PC Authority brings you up to speed with the global Web 2.0 phenomenon.

What happens when multiple-core processors are no longer sufficient for our demands? Stuart Andrews looks at the future of CPUs.

No matter how much we tell ourselves that we are rational, scientific human beings a Friday 13th still sends a tremor up some spines.

The biggest problem with modern robotics is not the mechanisms, its the intelligence behind the mechanisms. Matching the human sense of balance is a major challenge, for example. Enter cy

Climb the steps all the way to Windows guru status with our invaluable selection of tips and shortcuts for XP and Vista.

Not Apache, MySQL or Firefox, but lesser-known apps that serve a particular function very well – a Top Ten of open-source applications you’ve never heard of.

Cutting edge technology is bringing powerful enterprise-grade solutions to the small and medium business sector. Read on for tips, analysis and tutorials about how you can take advantage.

Apple’s ads may be funny, but they’re woefully inaccurate. Here we reveal dozens of reasons why the PC outclasses the Mac.