The next Facebook sharing data point I analyzed is the presence of numbers (in digit form, 1 through 9) in titles. In a wide range of marketing arenas digits have been shown to perform very well. They tend to help conversion rates in the form of prices and on social news sites like Digg “Top 10″ style posts have always done well.
The difference isn’t huge but according to my data, articles with digits in their titles tend to be shared more on Facebook than stories without digits. I found that most articles in my data set didn’t use numbers in their titles, and you can see the scale of difference in volumes in the gray bars at the bottom of the chart.
For details on my methodology start with this post, then read