Facebook - the world's biggest social networking website is all set for a major new profile system upgrade, dubbed the "Facebook Timeline" the new profile presentation system allows users to save and share their life timeline easily. Allowing users to "Share" and "Organize" their most memorable posts, photos and life events on their "Facebook Timeline" - the handy feature will let users tell their story from beginning, in-middle, and now.

The new profile display system is currently only available to developers, here are two ways on how to get this feature now officially as well as unofficially.

With widespread support for Near field communication (NFC) on all future smartphones and mobile operating-systems like iOS, Android and Symbian - the technology is soon going to be the next big innovation apart from the "Mobile Wallet" it was was originally developed for. Thanks to NFC technology a leading door-lock manufacture "Yale" has already unveiled there automated locks, soon users will be able to open their locks simply by holding a smartphone near the lock.

Yale has developed the technology named "Mobile Keys" allowing users to load electronic keys onto their smartphones securely, allowing them to unlock these NFC locks with right permissions. A video demonstration of these smart-locks is available after the jump.

While light-weight pdf readers are a very good alternative to "Adobe Reader" and there are more reasons other than just the bloat to use them, but there are times when a user needs to rely upon the official PDF reader from Adobe. Today we will see how to use free utility software "Adobe Reader X" to digitally sign a document, a digital signature or e-signature is a mathematical encryption technique used to ensure authenticity of a digital message or document. A valid digital signature gives a recipient reason to believe that the message was created by a known sender, and that it was not altered or tampered with in-transit.

If you missed the free Angry Birds for PC giveaway from IntelAppUp last time, here is another chance to grab a fully-functional latest version of Angry Birds Rio for free from IntelAppUp worth $4.99.

Popular iPhone hacker group "iPhone Dev Team" member musclenerd tweeted screenshots of upcoming "in-development" iPhone jail-breaking utility redsn0w, the images show redsn0w-0.9.8b5 and does not feature any "Browse" button which is there in all current versions allowing users to manually browse the iOS .IPSW files.

While unlocking a forgotten passcode on basic Apple iPod is not very hard neither is the resetting of volume lock as shared earlier, you might be unlucky if you have a non-jailbroken Apple iPod Touch and does not have the PC you last synced via iTunes with you as the only option to unlock the disabled iPod is to use your original PC with iTunes. The only solution to get rid of this situation is demonstrated ahead.

Official Microsoft Windows 8 Developer Preview Build is now available for downloading, apart from the major new changes the major-upgrade to Windows operating system has a lot on new smaller features and functionality. One of such cool new edition is the "Picture Login Feature" which allows users to login into their computers without typing any passwords and by simply using a picture of their choice, a video demonstration of this is posted below.

The wait is finally over as official .ISO DVD image file links for Microsoft Windows 8 Developer Preview Build is now available for public downloading (as posted at the end of this post), to get started with the new operating system user will require a minimum hardware specs of - 1 GHz or faster 32-bit (x86) or 64-bit (x64) processor, min. one Gigabyte RAM , 16 GB available hard disk space, DirectX 9 graphics device with WDDM 1.0 or higher driver.

A complete list of final major features and images with direct download links posted after the jump.