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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Include RSS feeds in Outlook and your browser
The so-called RSS feeds, which seem almost as outdated as the teletext of the TV station, but the RSS feed is currently experiencing a renaissance among website operators and interested readers.
YouTube Premium: Mehr als nur werbefrei – Lohnt sich die neue KI-Offensive?
Werbefreiheit war gestern. Im November 2025 setzt YouTube Premium voll auf Künstliche Intelligenz. Von smartem Vorspulen bis zum Chatbot im Player: Wir beleuchten die neuen Funktionen und klären, ob der gestiegene Preis gerechtfertigt ist und für wen sich das Upgrade wirklich lohnt.
Create Excel Budget Book – with Statistics – Tutorial
Create your own Excel budget book with a graphical dashboard, statistics, trends and data cut-off. A lot is possible with pivot tables and pivot charts.
CES 2026 Preview: The home office is coming of age – What we expect
No more temporary fixes: At CES 2026, consumer tech merges with professional equipment. From local AI chips to holographic meetings – we analyze which innovations will truly matter in January. A preview for tech professionals.
WhatsApp comes to Wear OS smartwatches
WhatsApp launched a standalone app for Wear OS smartwatches. This allows users to chat and make phone calls directly from their smartwatch, which is a significant step in improving smartwatch usability.




































