Any copywriter in the world will tell you that, online or offline, you need to sell in as few words as possible. People have low attention spans, you might easily say the wrong thing, and as a copywriter you just don't want to spend more time in marketing than you have to. You can always read through your entire sales letter and cross out unneeded words as you go, but how do you write as few words as possible the very first time?

I have a few techniques. To reduce your words, you...