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John Ternus will succeed Tim Cook as Apple CEO on Sept. 1, 2026.

From Engineer to CEO How John Ternus Rose to the Top of Apple

John Ternus will become Apple's CEO in 2026, succeeding Tim Cook. Learn more about the new company leader and the challenges he will face.

Billionaire in Profile Bill Gates and the Story Behind Microsoft

Bill Gates shaped Microsoft like few others. However, alongside successes, there were also criticisms, controversies, and challenging chapters.

Rise and Controversy How Sam Altman Became the Face of ChatGPT

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

CEO Warns Storage Crisis Could Drive Many Manufacturers to Bankruptcy

The storage crisis primarily affects affordable devices. Phison's CEO warns of a wave of bankruptcies in the electronics industry.

Unrivaled Technology Why Smartphones Would Be Unthinkable Without Europe

Behind many smartphones, there's more European influence than people might think. These companies provide essential technology for chips, sensors, and NFC.

Keep an Overview PayPal Subscriptions Under Control: How to Find and Cancel Hidden Payments

Learn how to find, cancel, and update payment methods for PayPal subscriptions—all explained step by step.

Prime Channels Under Review Amazon Bundles Streaming Subscriptions–Convenience or Cost Trap?

Streaming via Amazon Prime add-on channels sounds convenient. TECHBOOK explains the costs, benefits, and why users often end up paying more.

Stylish, Brilliant, Failed Apple's Greatest Successes–and the Most Spectacular Flops in Company History

Apple didn't just grow through successes. These flops paved the way for the iPhone, Mac, and more.

Did You Know? These Companies Have Surprisingly Built Smartphones

From Automakers to Battery Manufacturers: These Companies Surprisingly Released Their Own Smartphones

Subscription Overload Streaming Fatigue Affects Millions of Users

Many users suffer from what's known as streaming fatigue. We explain what it's all about.

A significant portion of the internet relies on three cloud providers.

Cloud Infrastructure These Three Companies Keep the Internet Running

Cloudflare, AWS, and Azure form the backbone of the Internet: Why outages are felt worldwide—and what can help.

Tech Culture Why Smartphones in China Have Larger Batteries Than in Europe

In China, smartphones with battery capacities of up to 33,000 mAh are available. But why do such battery packs play a minimal role in Europe?