Speak like an insider! Welcome to Snopes-tionary, where we'll define a term or piece of fact-checking lingo that we use on the Snopes team. Have a term you want us to explain? Let us know. Also known ...

Ad copy testing is one of the staples of good SEM agencies. "Test and test often" is a bit of wisdom you'll hear over and over in the field. But do you know exactly what you're testing? Can you really ...

Learn to spot 25 sneaky logical fallacies that manipulate arguments. Sharpen your critical thinking, protect yourself from ...

What is the Ad Hominem Fallacy? The ad hominem fallacy occurs when someone attacks the person making an argument rather than the argument itself. This fallacy diverts attention from the actual issue ...

The "follow the money" argument is an intellectually lazy fallacy. However, if you really do think that money will change our minds, then write us a check. Glance through any sufficiently long ...