• Goodbye to touch screens: Google will monitor your finger movement by radar
  • Google radar to control devices only with your hands

Perhaps, among so many new features around the camera, the screen, the sizes, the connectivity and the design, you will miss a detail of the new Samsung Galaxy Note 10: you can handle several functions with its stylus, the S-Pen .

As if it were a magic wand, Samsung has integrated its pencil into applications such as YouTube in order to make them more intuitive and easy to use. And without having to touch the screen at all, of course.

It is also possible to take pictures using the pen , which on paper should allow a person who is posing in front of the mobile phone together with a group of friends to do everything: zoom, change the mode, change the dynamic focus to create a depth effect ...

Samsung does not want this to be anecdotal and has shared the S-Pen programming libraries to other companies, so if Instagram or Google Maps want, they can develop such gestures for the phone .

Although we have not tested it in depth, it does not seem to work very far . It is not a matter of getting used to a new way of handling, that too, but that this technology is too new yet and it is not clear what function it can have.

There is LG with the G8, one of its latest phones on the market and one with a rather 'different' point of sale : it can read your hand to unlock. It is not enough to see your face: now you can also access your phone with the lines of your hand.

It is not that LG has turned into a palmistry company , far from it. They were simply testing another technology that was born from the recognition improvements, both by software and hardware, of the lenses of the most modern cameras.

The result is poor: it does not work well, it is not useful and, in the end, you end up using the phone like a lifetime, taking it with one hand and using it with the other.

Something like that wants to make Google with its new phone. The Pixel 4 has leaked on so many occasions that even Google itself has had to admit some of the rumors and, yes, its next phone will not only make you face recognition like the iPhone , but it can recognize gestures thanks to a new type of sensor and perform operations associated with them.

The sensor is a type of miniaturized radar, a Soli radar if we speak properly. Google demonstrated how this technology worked in 2015 and since then it has been improving it to be something functional. What was then the Project Soli will now be the sensor of the Pixel 4 .

Be that as it may, the new phone can recognize "micromovements" of the hands and translate them into logical operations, such as taking a picture, unlocking the phone, dialing the emergency number, and so on. Again, all without touching the phone, just being close to it.

Will Google succeed in a field that seems quite cumbersome and seems to obey more the need to create new technologies by simply saying they are new than because they are really useful? In October we talked about it.

Even if it works well and is comfortable , there is a great saying in the world of technology that comes to say that "if Apple does not invent it, it popularizes it." And it is not true at all today, because the readers of integrated fingerprints on screen and other technologies have been born in other companies, but you get a little to the idea: that something exists is not enough, it is necessary that it becomes popular .

The adoption of voice assistants increases every year, and whether with Siri, Alexa, Cortana or Google Assistant, talk to the mobile, which is not through it, it is a trend in clear boom.

Using the hand to, from a distance, give an order to the mobile was a matter of time and to make technology affordable and comfortable. Another thing is if its adoption will be quick. Is it more comfortable to make a gesture than to touch something?

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