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.

We have downloaded and flashed the all new Samsung Galaxy S firmware I9000XXJVS and the next step is to root it and get the powerful SuperUser benefits, here is how to do this using popular ChainFire root using ODIN (just download the Google Android 2.3.5 compatible root file CF-Root-XX_OXA_JVS-v4.1-CWM3RFS.tar from the links below and flash using ODIN with settings as shown below).

Yesterday we got our hands on the latest leaked stock firmware I9000XXJVS for Samsung Galaxy S cellphone, if you are wondering how to get this flashed onto your device here is the answer.

Just download the ODIN flashing utility (direct download link at the end of this post)and make sure to browse for all the files and use settings as shown below to have a successful flash.

PIT : s1_odin_20100512.pit
PDA : CODE_I9000XXJVS_CL565837_REV03_user_low_ship.tar
PHONE : MODEM_I9000XXJVS_REV_00_CL1059471.tar
CSC : GT-I9000-CSC-MULTI-OXAJVS.tar

Make sure to have re-partition, Auto Reboot, F. Reset Time and Phone Bootloader Update settings checked before starting the process.

Samsung Galaxy 2.3.5 ODIN Flash Settings

Unlike their competitors Samsung is keeping their Android phones updated with up-to-date Google Android software updates. Another such latest firmware for Samsung Galaxy S I9000 model has now leaked on internet, the latest version of Google Android 2.3.5 firmware having build code I9000XXJVS and CSC = OXAJVS can now be downloaded from the links posted after the jump.

SeaTools is a well known utility from popular HDD manufacturer Seagate, SeaTools free hard drive diagnostic software comes in two flavors one for DOS and other for Windows OS.

While both hard-disk diagnostic tools are excellent, they are different as SeaTools for DOS is more powerful because it is able to access the disks more directly and natively to diagnose the problem correctly. SeaTools for DOS is provided as a standard bootable .ISO CD disk image but since all modern computers support the easier bootable USB medium, here is how to get "SeaTools For DOS Bootable from a USB drive".

Seagate HDD Diagnostic Utility - SeaTools For DOS