Users often need to see the word count in the documents they write. Instead of going to Tools > Word Count each time you want to view this information, now, you can simply select Tools > Word count > Display word count while typing to continuously display it in the lower left corner of your doc:
If you click on the word count box, you can also view more information, like the page count, character count (with and without spaces). To see the word count of a specific section of text, simply highlight that section in your doc.