This week's IT Roundup highlights Google Chrome's new do-not-track setting, Intel's futuristic approach for doing away with passwords, desktop operating systems install base, and virus-infected PCs on the factory floor.

Google Finally Adds Do-Not-Track Support in Chrome

The latest edition of Google Chrome now has do not track functionality built it but some sites may simply be ignoring the request.

Windows 7 passes XP, Mac OS X passes Vista

Windows 7 has finally surpassed XP as the most widely used desktop operating system and Mac OS X has overtaken Vista. 

Intel wants to do away with passwords

Passwords for online banking, social networks and email could be replaced with the wave of a hand if prototype technology developed by Intel makes it to tablets and laptops.

Microsoft finds PCs that ship pre-infected

Microsoft has found that brand new PC’s from Chinese factories are being delivered with viruses already installed, some of which pose a threat to online banking security.