Microsoft has now officially announced the arrival of Cortana Voice Assistant on rival Google Android and Apple iOS platforms. Labeling Cortana as "the first personal digital-assistant who works across your PC & your phone", the idea here is to enable the power and intelligence of a personal assistant available across device's be it your Desktop or mobile device. The idea also opens up the opportunity to sync, analyze and share the collective wisdom derived from the data across user devices enabling smarter suggestions from the virtual-assistant.

The announcement also detailed a new Windows 10 feature, the ‘Phone Companion App’ on the PC. The Windows 10 application will not only help users install Cortana app from the Google Play or Apple App Store onto their phones but which will also allow seamless data-sharing and syncing of any Windows phone, Android phone, or iPhone to Windows 10 PC. Do watch the official introduction video to checkout what exactly Microsoft has in store for your computing future.

The voice-activated personal assistant on your phones are getting smarter by the day and the battle for most usable artificial intelligence is being fought between Apple Siri, Google Now and Cortana. Stone Temple, a consulting company decided to put these three against each other to determine the best technology amongst them by evaluating each with no less then 3,000 voice queries.

Want to know who won the fight? Just watch the video below and click the "Read More" link below to get the exact results.

Nokia is doing some serious work on Camera aspect of smartphone. After Nokia PureView 808 with an never before, impressive 41 Megapixel imaging technology, the company's latest Windows Phone 8 based Lumia 920 features an advanced optical image stabilization technology which promises much smoother video captures.

So if you are thinking how the technology fairs when pitted against the current hot favorite smartphone Apple iPhone 5, here is a video with answers.

SkyDrive - the Microsoft's cloud storage solution has now an native Apple iOS and Windows Phone application to allow access to user cloud-backuped files from virtually any device. With SkyDrive for the iPhone and Windows Phone user's can easily upload, access, manage and share files on the go to-and-from their SkyDrive account. Offering a generous free 25 GB online-storage this would be the best option if you re looking for a free, reliable and accessible cloud backup and access solution.

Detailed features, images, video demonstration and download links after the jump.