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Consumed Internet traffic is growing with the diagonal of the smartphone

08.04.2013

Smartphones with a diagonal of more than 5 inches are becoming increasingly popular among buyers. In addition to more convenient management, such smartphones also lead to greater consumption of Internet traffic by users.

According to a study by analytics firm OpenSignal, every square inch of a display increases the amount of data downloaded over mobile networks by 75MB, while downloads over Wi-Fi increase by 288MB.

"It's the high fragmentation of Android devices that allowed us to do this very unusual study. Large screen sizes lead to increased Internet traffic consumption, as owners of such devices begin to use them as a replacement for tablets and even computers," says OpenSignal.
In addition to the diagonal of the display, the performance of the smartphone also affects the level of traffic consumption.

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German railway operator Deutsche Bahn and industrial group Siemens have unveiled an automated, unmanned train in Hamburg that will follow the routes of the city's S-Bahn high-speed train network. The developers claim that it adheres to the schedule more accurately and is more energy efficient than traditional railway solutions.

Four of these trains will begin operating on the S-Bahn urban high-speed rail network as early as December, using the existing rail infrastructure. While other major cities like Paris already have automated subway trains or monorail solutions running between airport terminals, the Hamburg version will be the first to use the same roads as conventional passenger trains operated by train drivers.

The project, described by Siemens and Deutsche Bahn as a "world's first", is part of a $60 million plan to modernize Hamburg's high-speed rail system.

Deutsche Bahn chief Richard Lutz has already said that automated trains provide a "more reliable" service, without the need to lay even one extra kilometer of new tracks. Siemens believes that driverless trains transport approximately 30% more passengers, allow significant cost savings (up to the same 30%), and are generally much more punctual.

Although the train is digitally controlled and fully automated, the driver will still be present in the cab when transporting passengers in case of an emergency.

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