[wp-hackers] Categories _contra_ tags

[Charles]

> Conceptually, they are not really any different. Internally, they
> are both terms inside of different taxonomies. Some people prefer
> one, some prefer the other. Some (probably most) use both for
> different sorts of things.

The analogy I use is that Categories are like a book's table of contents,
and Tags like its index.

Like all analogies it's not perfect, but it works well to explain to normal
users how Categories and Tags can be compatible and complementary.

-- Charles