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The developers of WhatsApp have updated the version for iOS and according to the changelog, the application brings a redesigned settings tab, new 3D Touch features and other improvements. The iOS users can download the new update from iTunes, but if they have a limited data plan, we recommend them to connect to a wireless network, because the installation file has a size of 52.4 MB.

Android is a privileged platform and the developers of WhatsApp have used it to test out the latest features, which have been added later to the rest of operating systems. But iOS is still an important OS and the developers of WhatsApp have added support for the 3D Touch features that have been introduced on the new iPhone 6S and 6S Plus. As you know, 3D Touch technology allows the iPhone 6S/6S Plus owners to interact better with their devices, by tapping harder or very soft on the screen, in order to trigger Quick Actions. Peek and Pop are two gestures which can be used in applications, and the latest WhatsApp 2.12.12 will allow you to preview a chat by holding it, then to view shortcuts for mark read or unread, mute or delete, jut press and drag upward.
The Settings tab has been redesigned and it’s now colorful. In there, you’ll find your starred messages and you’ll have the option to add a preview of the link you’ll send in chats. Also, this update will allow you to answer voice calls and to quick reply to messages within the Notification banner. But to have access to these options, you must upgrade your iPhone to iOS 9 or iOS 9.1.

Let’s not forget that every new update comes with performance improvements, so you’ll notice that the application runs smoother. But if you find any bugs, then you are welcome to report them to the developers, so they can fix them as soon as possible.

Source:  Nuerogadget

Most of us have the habit of constantly refreshing our Windows machines. Many times, we just do it because we have to. But, we haven’t thought of the actual thing the Refresh option does to our machine. Read further to know, what the Refresh option in Windows actually does.
I can’t even remember since when I am using the Refresh option present in the context menu in Microsoft Windows operating system. In fact, most of us refresh our Windows desktop for uncountable times in a day. But, very few of us know what the Refresh option actually does to our operating system.Until a few days ago, I, being a loyal Windows user from the time when I got hands on my first desktop machine, believed that the Refresh option in Windows clears the system memory, making it clutter free. But, all my beliefs turned out to be false when I finally I dug through the internet for the actual task performed by the Refresh option in Windows.
What actually happens is that Windows has an auto-refresh feature inbuilt by Microsoft which enables the screen to display the changes made to a folder–even desktop is just a folder for your operating system–either by you or a third-party application or if you want to re-align the folders on your desktop.
Sometimes, the auto-refresh option fails to display the change on your screen. So, you have to manually do it yourself by clicking the Refresh button in the context menu. I would like to tell you that no miracle happens when you click the refresh button. It won’t make any changes in the performance. Your Windows machine won’t transform into a supercomputer.
Most people, including me, have developed a habit of constantly refreshing Windows for no reason. I have shifted to Ubuntu recently and I find myself searching for the Refresh option in the context menu, but it is nowhere to be seen because Linux-based operating systems don’t have it.
It seems like a daily ritual for most of us, our hands involuntarily keep pressing the F5. And some of us even overcome our laziness and refresh windows using a mouse which is a tiresome job, though. So, try to get rid of this bad habit.
Talking technical, all the stuff you see on your desktop is a static frame. Let’s take an example of a movie — In earlier times we went to cinema theatres which used camera reels to project the movie on a white screen. Each reel had many images arranged in an order and they were projected on the screen at a specific rate i.e. 24 images/frames per second. You might’ve heard about the term FPS (frames per second), it’s the same thing. Human eye can’t distinguish if the FPS is 24 or above.
In current times, the same process is followed but the photos are now saved in a digitally compressed file which is given an extension like MP4 or MKV. It makes the video portable and we can open it on our computer.
So, consider a frame generated by your OS as an image. Frames are displayed on your screen one after the other giving you a feel that everything is continuous. Each frame comprises of different UI (User Interface) components like background, icons and their names. When each frame is constructed, all the components are placed on it, like first the background, then the icons and their names. The taskbar acts as a layer which is placed on the top of the background.
Now, if each component would have to be placed in every succeeding frame, then it would be a tiresome job for the hardware. So, to reduce the burden on the hardware, an optimisation technique has been deduced in which only the components which are needed to be changed are marked as dirty and then recreated in the next frame. This reduces the load on the CPU.
The refresh option marks all the components of the screen as dirty, so, the whole screen is recreated in the next frame and displayed on your monitor. That’s the prime job of the Refresh option in Windows.
So, feel free to press the F5 button the next time. But, do decide whether you need it or not. Anyways, it’s your machine and the Refresh option is free–press it as many times you want.
Did we clear your confusion? Tell us in the comments below.

At the recently-held Moogfest, an art and music festival, artists Kyle McDonald and Surya Mattu showed how our devices continuously leak data that can be sniffed by anybody. Using an installation called Wi-Fi Whisperer, made from 8 Raspberry Pis and wireless antennas, they were able to grab such data and display in the form of artworks and sound.
In today’s world, Wi-Fi is the most prominent means of communication. We use it to experience different kinds of content on the web and share things with our friends and family.Due to its popularity, Wi-Fi is very often targeted by notorious hackers using various techniques and tools. Your privacy could also be compromised if your ISP or government decides to play the role of a sniffer.  The thing that you might not know is that your devices leak data in multiple ways and some of them are totally unexpected and a big risk to your security.
Artist Kyle McDonald, along with Surya Mattu, showcased this security risk at Moogfest, a music and technology festival in Durham.
By creating an installation named Wi-Fi Whisperer, they were able to demonstrate the data that your phone is leaking for free. As one walked passed by the installation at the fest, the sniffer grabbed the leaking data and showed it in the form of an artwork.
Using a hidden speaker, Wi-Fi Whisperer also whispered your data — the websites you visited, the networks you visited etc.

Wi-Fi Whisperer is built with eight Raspberry Pis and wireless antennas

This creepy installation was made using eight Raspberry Pi computers. The setup sniffed data using wireless antennas that were configured to listen to various open wireless channels. The antennas catch the data packets that are usually being sent from one device to another.
The artists partnered with the wireless provider of the fest and they were able to grab more data and create more interesting artworks, according to Wired.
“You can see exactly what articles people are looking at,” McDonald says. “You can see exactly which comment they’ve thumbs-up’d.” McDonald found this concept super-interesting in early 2014. He says that he didn’t need to hack anyone’s device and everything was publicly available.
You’ll be surprised to know that businesses are known to eavesdrop on people’s leaking data and use them to build consumer profiles. Many analytics companies also use this information to study trends and carry out experiments.

So, what should people do about it?

McDonald advises people to turn off their Wi-Fi and Bluetooth when they are not using them. Also, avoid connecting your devices to unknown and unprotect Wi-Fi hotspots. To ensure more security, one should consider using VPN services and anonymity services like TOR or its alternatives.