The web is changing, and AJAX is leading the charge. Tim Dean looks at the first great Web 2.0 technology in action.

Tim Dean thinks technology evangelists have a knack of embracing new ways on one hand, and ignoring the good old ways on the other.

An old PC is like putty in your hands. Tim Dean looks at how you can shape it into a new system with a few easy upgrades.

Discover if your bank is leaving serious security holes or lacks cutting-edge features in our in-depth analysis of online banking.

Tim Dean wrestles with the ethics of Internet censorship overseas.

A fairly straightforward site focused on savings, but it functions well.

Why have a dozen contact numbers and addresses when just one will do? Tim Dean looks at the coming SIP revolution.

Tim Dean thinks we need to look to notebook technology to save the day

Wikipedia - truth through aggregation?

The entire industry is moving towards dual-core technology, but why? Tim Dean looks at some of the reasons for the shift.

Tim Dean on the Hollywood OS running the world's biggest computers via a green flashing cursor and bleeps.

The holes in WEP have finally been plugged and wireless is finally a secure technology. Tim Dean looks at how this was achieved.

In this line of work, there's really nothing quite like the all-too-occasional experience of opening a box from Apple, and unveiling the shiny wonders squirreled away inside. In fact, it's the only event that never fails to draw all and sundry AJB staff from throughout the office into the Labs to catch a glimpse of what the tech company with only 3 percent market share worldwide has managed to innovate this time.

Underneath all the speculation and marketing hype, the Cell processor might actually herald a revolution in computing. Tim Dean investigates.

Media Center is here but Tim Dean thinks it totally and utterly doesn't live up to expectations, but there might be some hope for the future.

The latest iteration of the Pentium 4, code named Prescott, is an interesting development for a few reasons. First off, it represents Intel's entry to the world of 90nm (90 nanometre, or 0.09 micron) fabrication for processors. For the uninitiated, all this means is the size of individual components on the processor core have been shrunk to even smaller levels. It's a natural part of processor evolution to shrink the size of components, as it allows more transistors to be packed into a smaller space, reduces heat and resistance, and this all leads to faster CPUs.

What will you be buying, using and drooling over this year? Tim Dean looks at the astounding products and technologies due to hit in the next 12 months.

Every expert has a toolkit. Tim Dean takes you through the 10 tools any Windows expert cannot live without. So, to give you a head start, here are PC Authority's top 10 tools for the ultimate Windows user.