A great deal of know-how can go into writing effective headlines - headlines that grab eyeballs and make people want to read on.

I've written on the types of headlines.

Here's another piece of the puzzle: It is known that certain words are especially effective. Work them into your headlines whenever you can:

you, money, free, easy, now, people, save, who, why, how, how to, big, handy, useful, secret.