News about computers and mobiles in 2018

Black clouds over Oracle

In August 2018, a group of investors sued Oracle for defrauding them. Oracle would have assured them last year that its customers were converting massively to its cloud services, but in reality, Oracle does not even dare publish its sales statistics in this field now.
The complaint explicitly describes extortive tactics and threats to customers to force them to go to their cloud services. What they are in no hurry to do because competitors, AWS, Azure or Google Cloud are more interesting. And less worrying!
Source Bloomberg.
August 13 2018.

Why the blue leds of the screens ruin your sight

It has long been known that the blue light produced by computer screens, or mobiles and televisions accelerates the degeneration of the eyes with age.
But why?
Researchers have discovered that blue light causes reactions in a molecule, retinal, which is a form of vitamin A. This molecule is essential to the functioning of the eyes and is present in quantity inside it. The blue light degrades it and transforms it into a poison that damages the photosensors of the eye. These never recover.

There are two ways to preserve your sight against this attack:

  1. Wear protective glasses.
  2. Reduce the blue in applications and wallpapers especially, and white too since the white color is a combination of blue, green and red.

From bleu screen to black screen

It is clear that Microsoft is more concerned with advertising for Windows than with your health. Yet you should still replace the beautiful blue screen provided by default (when it is not replaced by that of a manufacturer) by a black screen, less beautiful but which will not make you blind over time.
Also prefer applications with a dark theme rather than a white background.
August 9, 2018.

When will Apple be only the 3rd manufacturer?

According to IDC and Canalys, in the second half of 2018, Apple is no longer the second largest manufacturer of smartphones. But the sales curve is cyclical, the firm will resume its second place at the end of the year with its new models, and for a time only. When will Apple finally lose completely its second place?
If the evolution of the respective market shares continues according to the same trends, the following graph provides the answer:

Samsung Apple Huawei

Click to enlarge. Figures are in millions of units sold.
August 1, 2018.

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