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Everything on Like I'm 9

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2 min What Is Bluetooth?

Your headphones, your car, and your wireless mouse all run on it, yet almost nobody can say what it is. Spoiler: it is a low-power radio named after a Viking king.

2 min
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2 min What Is Metadata?

Every file you make is quietly taking notes about you. Not the words you typed, the story around them. It is also the first thing an investigator goes looking for.

2 min
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2 min What Is a Zip File (Compression)?

Your computer insists on unzipping a folder before you can use it. Here is what compression actually does, using the vacuum-bag trick you already understand.

2 min
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2 min What Is a PDF?

You have sent them, opened hundreds, and printed the important ones. Here is what those three letters actually stand for, and why the format still rules.

2 min
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3 min SSD vs. Hard Drive

You'll see both on any computer's spec sheet, with SSD costing more, and most people pick on price with no idea what they're choosing. It's the biggest thing that makes a computer feel fast.

3 min
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2 min AI vs. Machine Learning

The two terms get used as if they mean the same thing, leaving people unable to say where one stops and the other starts. They're related but not the same, and the difference is simple.

2 min
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3 min What Is an Operating System?

Everyone knows the names, Windows, Mac, Linux, but ask what an operating system actually is and it gets vague. It's the culture your whole computer lives in.

3 min
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3 min RAM vs. Storage

The most common hardware mix-up there is, and it costs people money. They buy more storage to fix a slow computer and it's just as slow. RAM and storage are entirely different things.

3 min
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2 min What Is the CPU?

People shopping for a computer fixate on the CPU with no idea what it is, only that a bigger number costs more. It's the brain of the machine, and it maps neatly onto your own memory.

2 min
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3 min What Is a Deepfake?

Seeing was believing, and a loved one's voice was proof. That era is ending. A deepfake is a fake good enough to defeat your own eyes and ears. Here's how to spot one.

3 min
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