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A green or orange dot on the smartphone display indicates when apps are accessing important functions. TECHBOOK explains what's behind it.

Speed camera apps are gaining popularity. But are they even legal and permitted? TECHBOOK investigates.

At Amazon and other online retailers, a practice known as "brushing" can occur. We explain this phenomenon.

The rise of the Grundig brand began in the 1950s with the "Heinzelmann" radio. But how is the company faring today?

Apple has had its share of missteps. From Bendgate to "You're holding it wrong"—these are Apple's biggest flops.

In the early months after the company's founding, there was an extremely peculiar Amazon order. In 2002, Jeff Bezos recounted the story.

From deposit slips to checkout dividers: These 11 habits regularly test cashiers' patience–but are easily avoidable.

We place our smartphones on the table every day. A study found that this can impair our concentration.

Experts say it matters whether you connect the smartphone to the charger first or plug the charger into the power outlet first. Here are all the details.

25 Years Ago, '24' Revolutionized TV With Real-Time Action and Split-Screen Thrills

OpenAI CEO Sam Altman is behind the success of ChatGPT. The profile highlights his career, conflicts, and controversial decisions.

Fake shops use professional design and psychological tricks. Learn how to spot them and protect yourself with TECHBOOK.

Long-term Test of the Tonies Headphones: How NFC Pairing Works with the Toniebox 2 and What Everyday Use Reveals

I generally celebrate PlayStation as a brand. However, I also love Blu-rays. An unpleasant separation is looming for me.

Kim Dotcom is fighting against his extradition from New Zealand to the U.S., where he faces many years in prison. Read the full story at TECHBOOK.

Phone rings, but no one speaks—it could be a silent call. TECHBOOK explains the risks and how to protect yourself.

We stored an iPhone in a freezer at -18 degrees Celsius for two weeks. The result is surprising—but trying this at home is not recommended.

A myth in South Korea claims that people die if they leave their fans running overnight.

Did your WhatsApp contact suddenly go silent? These six signs may indicate you've been blocked.

Right on time for Amazon Prime Day 2026, TECHBOOK spoke with Jamil Ghani, vice president of Amazon Prime International.

Many soccer players wear a bra under their jersey. The reason has nothing to do with comfort but with modern data technology.

"The Furious" Hits Theaters as Possibly the Best Action Film of the Year TECHBOOK spoke with Joe Taslim about the filming.

When it's too hot, it's best not to use the Nintendo Switch. The manufacturer itself advises this, citing high temperatures in the summer.

Fritzboxes are considered reliable and fast routers. However, it's not widely known that there is a hidden power mode for increased speed.

Why does the hard drive on a Windows system use the letter C instead of A or 1? The answer dates back to the early days of the computer age.

The horror film "Backrooms" is now hitting theaters in Germany, potentially becoming the biggest cinematic surprise of the year. We discuss whether it's worth watching.

When paying by card, a PIN is required, while a signature is now rarely needed. Here's why and what's behind it.

A simple oversight can allow others to easily read all your WhatsApp chats.

Loot boxes are widespread in video games and are particularly concerning to child protection advocates. But are they actually illegal?