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In it's simplest definition watchdog is a hardware and/or software timer-register which can used to trigger an system reset or action if something doesn’t works as expected. The watchdog timer performs regular heartbeat checks and if failed performs the pre-defined corrective tasks.

The now hugely popular mini-computer Raspberry Pi features the BCM2835 SoC which has an built-in hardware watchdog timer, this can be used to check tasks like network connectivity, system load, system freeze and other metrics like temperature to perform corrective measures like automatic system reset. Just follow the steps as instructed next to get started with using watchdog timer.

Microsoft Windows 8 and Ubuntu has already started to blur the line between desktop and mobile computing, it's now Apple's turn to do the convergence.

While not official here is an designer created concept of Apple iPhone 6 running iOSX - an hybrid of OSX and iOS. Do watch the video posted below.

Well you can now ask to borrow power from a fellow to charge your device, thanks to the new device-to-device charging innovation eCoupled Technology. The Wireless charging technology has now been around for a while, but eCoupled takes it to a whole new level - just place the two devices back to back and you can use power from one device to top-up charge on another. If this is not good enough there are more automation uses like automatic switching-on the TV when the remote is lifted from the Surface. Do see the video posted below.

This is not all the Wireless charging solution can also be used to perform automated tasks like :

If Apple iOS, Google Android, Microsoft Windows Phone, Blackberry OS, Symbian, Mozilla Mobile OS, Nokia MeeGo and Sailfish does not satisfy your need for the perfect, most hackable and customizable mobile operating system, here is an exciting "open-source" candidate with some promising features from the leading Linux distribution - Ubuntu.

Ubuntu's developer Canonical has announced their entry into the smartphone business with first public glimpses and features of upcoming Ubuntu for Phones. The Linux-based operating system will offer users an seamless experience on Desktop, PC and Mobile with some exciting features and an "android compatible kernel" so existing Google Android users can simply install and use Ubuntu on their phones. While Ubuntu for Phones will be available in 2013 for users to install on existing hardware, handsets powered by the OS will hit shelves in 2014. Canonical released an extensive video preview and this looks really promising - have a look yourself below.