Marc Hankmann

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When on vacation, it's important not only to keep an eye on your travel dates but also to be cautious when purchasing electronics.

Smartphones and More from Abroad Why You Should Be Cautious When Buying Electronics on Vacation

If you're buying smartphones, tablets, or laptops abroad, there are several things to consider. TECHBOOK provides guidance on purchasing electronics while on vacation!

Often lumped together, but WLAN and WiFi are not the same thing

Did You Know? What is the Difference Between WLAN and WiFi?

While we talk about WLAN networks here in Germany, the word WiFi is used abroad. What is the difference between WLAN and WiFi?

Techbook Basics Easily Improve Your TV's Sound

Volume and audio quality can vary significantly when watching TV. However, there are ways to improve the sound on your television.

Symbolic image: Woman takes a photo of evening traffic with a smartphone, which can be seen in the background with a bokeh effect.

TECHBOOK Basics What Is the Bokeh Effect in Photography and How Does It Work?

The bokeh effect blurs the background and creates particularly beautiful photos. TECHBOOK reveals how it works.

LG brought many innovations to the smartphone market. In the end, however, this was not enough.

From innovation leader to loss-maker What has become of LG's smartphone division

LG made its mark in the smartphone segment with groundbreaking innovations. But in the end, LG's smartphone division couldn't compete.

It started out as a dream duo, but missed out on current developments - the joint venture Sony Ericsson

Once a dream duo Why Sony Ericsson's smartphones failed

Sony Ericsson, the joint venture between an entertainment specialist and a network supplier, no longer exists.

Techbook Basics Why Is Cable Internet Often So Slow?

Despite the promised high bandwidth, cable internet can be very slow, especially in the evenings. This is due to the connection technology.

Missing Hardware Complaints About Sky Receiver Returns–What’s Behind the Allegations?

If you cancel your Sky subscription, you must return the receiver to the pay-TV provider. But what if Sky claims the return never arrives?