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Despite packing impressive internals and increasing the screen size, Samsung has managed to keep the profile of the Galaxy S4 down to a svelte 7.9mm.
The overall dimensions of the phone are 136.6 x 69.8 x 7.9mm and weighs 130g which actually makes the handset a little bit narrower, thinner and 3 grams lighter than its predecessor, even though it has that larger screen.
One of the headline-garnering features of the S4's new software offerings are the 'touchless' operations such as AirView.
AirView lets you preview the content of an email or text message without opening it or touching the handset.
To use AirView you simply open the messages or email inbox and point at the message you want to preview and it will display it on screen.
The image above shows a preview of an email without needing to open or tap it to view the contents. If you hover your finger over any email attachments it will tell you what kind of attachment it is, for example, an image or document.
AirView (which was also present on the Samsung Galaxy Note II, but required actually touching the screen) can also be used in other areas of the phone.
For example, if you assign a speed dial number to a contact, you can then go to the phone dialer pad, hover your finger over one of the numbers and it will pop up the contact assigned to that number, giving you the option to call them.