Google Docs are a fabulous tool, I use them all the time, they are free unlike Office 365...

Business and Education has come a long way, where via an instant cloud autosave feature, you have a powerful sharing tool.

You can access on any device and share with your business colleagues and or schoolfriend and teachers.

Like the increasing use in Business, in education Google Docs has become the goto tool because they also integrate with classroom management services like Google Classroom and Moodle.