How to know Android 4.2 Jelly Bean along with new features

Like the earlier tradition of Google, whenever generation Nexus appears always accompanied by the launch of the latest OS version, still the same this year, while mobile phones and tablet Nexus 4 officially introduced the Nexus 10, Google finally released the Android version of the Android 4.2 Jelly Bean.
Slightly deviate from it already rumors that Android 4.2 or Android 5.0 is said will take the name of Key Lime Pie, but the allegation was dropped due to Google using the name Jelly Bean in version 4.2 to this, then what are the additional features in Android 4.2 this?

Photo Sphere and Keyboard Gestures
Photo Sphere is one of the amazing features of Android 4.2 Jelly Bean. Photo Sphere lets users take photos from every direction, similar to Street View and Panoramic Photo.
Photo Sphere In addition, Android 4.2 also brings features keyboard gestures. This keyboard features gestures actually been present in third-party applications, this feature is now adopted by Google with various improvements. very complete 

User Login
The user login facility is one of the new features of Android 4.2 Jelly Bean brought. This feature allows users to log into the device like a log on the computer.
Through the user login feature, users can customize the homescreen, widgets to the application itself.
This feature is also useful if the user to accommodate the tablet is more than 1 person, so that each has its own customization.
Too bad user login feature is for the moment only available on the tablet, but the future will be developed for smartphones.  
Wireless Display
Android 4.2 also has a feature called wireless display where the user can connect the Android device with another monitor or a TV without cables.
To use this feature takes wireless display adapter to a monitor or TV that has an HDMI connector.
Notifications 
Google expands notification function on Android 4.2 Jelly Bean that allows users to follow up on the notice or notification that appears with just one touch. 
Google Now
Maybe Google Now is not a new feature, because it has been present since Android 4.1 Jelly Bean. But Google Now this feature has been updated by Google, for example, on the Underground, is now not only tell you today's weather, but also the weather forecast today or tomorrow. Quite a lot of additional features in Google Now.

The operating system Android 4.2 Jelly Bean, which has been pinned on the Nexus tablet Nexus 4 and 10 will be a threat to iOS 6. Android 4.2 Jelly Bean is also a Google answers on Windows Phone 8, which was also launched on the same day.