Latest articles
Why AI chatbots are so often wrong: A look behind the scenes of artificial intelligence
AI chatbots don't "think," they calculate. They are trained to predict the statistically most probable word, not to tell the truth. This leads to "hallucinations": The AI invents facts, sources, or quotes that sound plausible but are false.
Dynamic ranges in Excel: OFFSET function
The OFFSET function in Excel creates a flexible reference. Instead of fixing =SUM(B5:B7), the function finds the range itself, e.g., for the "last 3 months". Ideal for dynamic charts or dashboards that grow automatically.
Mastering the INDIRECT function in Excel
The INDIRECT function in Excel converts text into a real reference. Instead of manually typing =January!E10, use =INDIRECT(A2 & "!E10"), where A2 contains 'January'. This allows you to easily create dynamic summaries for multiple worksheets.
The best remote maintenance tools for Windows and Mac
Which remote support tool is best for Windows & Mac? From TeamViewer and AnyDesk to Splashtop: We compare the top solutions for IT support and home office. Find the tool with the best performance, security, and the fairest price-performance ratio.
The discount trap: Why supermarket apps don’t give us anything for free
Supermarket apps like Lidl Plus lure customers with discounts. But we don't get anything for free. We pay with our most intimate shopping data. This data turns us into transparent consumers. Retailers use it to analyze and deliberately manipulate our purchasing behavior.
How digital identity turns citizens into objects of surveillance
We are trading privacy for convenience. Our digital identity – from e-IDs to social media likes – is becoming a tool. Corporations and governments are linking data, turning citizens into predictable and transparent objects of surveillance.
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The best remote maintenance tools for Windows and Mac
Which remote support tool is best for Windows & Mac? From TeamViewer and AnyDesk to Splashtop: We compare the top solutions for IT support and home office. Find the tool with the best performance, security, and the fairest price-performance ratio.
Microsoft Power Platform: The low-code revolution for every business
The Power Platform democratizes IT! Business departments can analyze data (Power BI), build apps (Power Apps), automate processes (Power Automate), and create chatbots (Copilot Studio) without any programming knowledge. A deep dive into the low-code future of your company.
Fake Shops on the Internet – You should avoid these sites!
Die Verbraucherzentrale NRW hat eine umfangreiche Liste mit Fake-Shops im Internet bekanntgegeben. Achten Sie auf niedrige Preise, unsichere Zahlungsarten, mangelnde SSL-Verschlüsselung, fehlende Kontaktinfos und mehr...
Job cuts at Meta – Still high bonus payments
It is well known that Meta (Facebook) is not doing well. Advertising revenue has plummeted. More layoffs are pending. And at the same time, high bonuses are paid out. How does that fit together?
TikTok: A Phenomenon of the Digital Era
TikTok, a subsidiary of ByteDance, has grown into a global phenomenon, with over $34 billion in revenue. The platform encourages creativity but is also at the center of privacy concerns and ethical issues.


























