Google Docs has stood the test of time since its launch a few years ago. Several other similar services have been created since then but nothing can be compared to what Google Docs does. Part of the secret behind its success is its being constantly upgraded. Educational Technology and Mobile Learning been posting alot about the educational uses of Google Docs for teachers and students. Today we are adding more tips and tricks to enable you to learn more about some features Google Docs provides for free and that you might not have known before.