Use numbers

You will see a lot of headlines with numbers. They’re very popular. What numbers should you use? 3, 5. 7. 10, 20 are very popular but actually it doesn’t matter and you will see lots of different numbers used. Some are very large but you want to use those with care.

The question to ask yourself is whether the number of points you are making are all necessary and really offer the reader value.

Here are two examples from copyblogger.com.

You may not be able to think of as many as 109 ways to do anything, but it is certainly likely to arouse the interest of readers.