Document-embedded scripts can be used on many different occasions; we have seen how to build or change the content of a document and analyze what is already in it; this process could easily be developed to create an elegant mail-merge workflow, getting data directly from your Gmail contact.

In Chapter 7, Using User Interfaces in Spreadsheets and Documents, we'll see that we can also add a custom user interface to a document and create new features that make the documents even more attractive and efficient. In the next chapter, we will learn about embedding scripts on Google sites.