Apple Postpones iOS 14 changes against app data tracking after Facebook and ad industry complaints - Apple is delaying the changes announced for its upcoming iPhone operating system, iOS 14. The announcement promised a reconfiguration of the privacy model that, in the words of Facebook and other large companies in the sector, would "harm" a multitude of developers and publishers in the industry, especially in terms of advertising.

The measure, announced in June, requires users to give explicit permission before letting applications track them; that is, making it difficult to track personal data for advertising purposes, for example. Although in principle it was going to come out with the release of iOS 14 in the fall, the signature bite Apple has announced that it will delay it until early next year.

"We want to give developers the time they need to make the necessary changes, and as a result, the requirement to use this tracking permission will come into effect early next year," said an Apple spokesman in a statement released by Bloomberg.

In this way, the debate is framed around the unique code that Apple links to each device, known as advertiser ID (IDFA). Historically, application developers have used IDFA to guide users with ads, track their performance, and deliver personalized advertising based on personal data. The changes in iOS 14 promised an unparalleled change to this logic.

Apple Postpones iOS 14 changes against app data tracking

In recent years, one of Apple's strategies has been to gradually increase the privacy guarantees of its users, this being its most ambitious proposal (and harmful to other firms such as Facebook, which live from data traffic). The implication has gone so far that the company led by Tim Cook has thrown subtle criticism at those who violate this "human right", in clear reference to the CEO of the social network, Mark Zuckerberg.

Even so, the recent announcement of iOS 14 increased tension between the company and several of its top developers who, Apple knows, make it earn billions annually in revenue while using this vacuum in privacy.

In this way, this Thursday's rectification comes when the company faces antitrust scrutiny over its App Store, a litigation on which hangs a 30% fee charged on multiple payments related to applications and what some developers have shed complaints about its "unconscious" regulation. The final chapter of the battle ended with a technical tie between the company and Epic Games, which will remove Fortnite from the App Store.

With everything on the table, Apple has added that the device tracking update will be implemented when iOS 14 is released. So, Tim Cook wants to make it clear that the privacy model change will come yes or yes by active, by passive or by periphrastic, so developers will have to adapt to it at some point or another. At the moment they have until the end of the year.

End of Apple Postpones iOS 14 changes against app data tracking

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They defy gravity and get a ship to float upside down on a levitating liquid

A team of researchers at the University of Paris has apparently managed to defy gravity, according to SINC.

And it is that they have managed to have little boats floating face down, with the water levitating on them as if it were the world upside down.

In this sense, the results of the study, published in the journal Nature, Challenge the principle of Archimedes and gravity.

In addition, they show unusual buoyancy forces and could lead to further research on the behaviour of liquid limits.

"With this experiment, we discovered that, very contrary to intuition, objects can float upside down. This was novel and attractive," Emmanuel Fort, a researcher at the Paris School of industrial Physics and chemistry and co-author of the publication, told SINC.

Under the action of gravity, liquids from a vessel, such as a laboratory flask, will normally fall to the bottom of the vessel. However, under certain circumstances, vibrating the liquid vertically can cause it to levitate on a less dense layer, ABC has collected.

Thus, this vertical Shake also causes the buoyancy to move on the lower surface of the levitated liquid, as if gravity had been reversed.

The novelty of the study is not the formula for levitating a liquid, but the exact mathematical modulation that must be followed for an object to float inversely to gravity on it.

"When placed on a less dense medium, a liquid layer will typically collapse downwards if it exceeds a certain size, since the gravity acting on the lower liquid interface triggers a destabilizing effect called Rayleigh-Taylor instability," the researchers have written in their work.

"Of the many methods that have been developed to prevent the liquid from falling, vertical shaking has proven to be efficient and has therefore been studied in detail," said Science Alert.

The scientists sought to experimentally demonstrate that vertical jolts also create stable floating positions at the bottom interface of the liquid, which behave as if the gravitational force were reversed.

"So the bodies can float upside down at the bottom interface of the liquid layers that levitate," they explained.

The boat is pushed into the liquid due to the high pressure of the air bag underneath which has been created by the weight of the liquid layer in the first place.

When the upward force of this pressure is balanced with the downward force of gravity, the object floats on the surface upside down.

But, according to Science Alert, balancing that pressure is the tricky part, making it one of the main themes of the new study.

In addition, the curious effect even remains stable if the boat is pushed or thrown.

In the same way, the strength and frequency of the shakes are crucial for the trick to work. And it is that, as the vibrations decrease, the pot and the layer of suspended liquid fall to the bottom of the chamber.

The new findings could have a wide variety of applications, such as transporting gas or other materials through fluids in industrial machinery, according to Science Alert.

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