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BUSINESS

What is VPN? A short introduction plus test

Sven Krumrey
39 Comments
The term "VPN" frequently shows up on the Internet. This technology is old hat for some and a mystery to others. Read on to learn what VPN means and what it looks like in practice. more
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BUSINESS

How do cryptocurrencies work?

Sven Krumrey
25 Comments
You can't escape them. They're in the news, on entertainment programs or show up in Internet ads. Cryptocurrencies are ubiquitous. But how do they work and how can a single individual, that might not even exist, invent a new currency along with the technical foundation? Though there are now quite a number of cryptocurrencies available, I'll focus on the darling of the digital currency movement: Bitcoin. more
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BUSINESS

A farewell to Windows Phone!

Sven Krumrey
21 Comments
When managers have a chat without firing off marketing buzzwords things get really interesting. Last week, Joe Belfiore, the man in charge of Windows Edge, announced the end of Windows in the mobile space as a side note. Windows 10 for cellphones will no longer be developed and users will only receive bug fixes and security updates until the end of 2019. That means there'll only be two big competitors left in the cellphone market, i.e. iOS and Android. Even though Windows Phone ran on only 1% of all cellphones it had a resounding effect. Rarely had it become so apparent where market power ends and how hard it is to close an innovation gap. more
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BUSINESS

Ultrasonic spyware - what only your dog detects

Sven Krumrey
19 Comments
Spyware, whether distributed by criminals, advertisers or even states, is a constant nuisance. Yet, some types have the technician in me marveling. Why? Because they're innovative and intelligently designed. Recently, I came upon an approach that might interest web users, supermarket shoppers and whistleblowers alike. A single sound can betray them all (with a little bad luck). more
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BUSINESS

Google announces ad blocker - and shakes the foundation of the ad industry

Sven Krumrey
40 Comments
Recently, the ad industry was rattled at its core as Google announced they would be adding an ad blocker to Chrome in 2018 that will rigorously block invasive (obtrusive) ads. Why would a company like Google that makes millions off ads take such a step? All over the world, ad creators are frantically calling their lawyers while comment sections are overflowing with doom and gloom. Is Google taking the side of annoyed Internet users or are they simply using their market power to kill off rivals? Maybe both. more
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