Google Docs now has the ability to format the page into 1, 2 or 3 columns. This is great when it comes to writing different styles of writing for various publications, such as newspapers, newsletters and leaflets etc.
From within Docs
There is a also a More options feature which enables more control over spacing and lines between the columns.
To enter the next column you need to use the Column break feature from the Insert menu
Reference found at http://gappstips.com/google-docs/use-multiple-columns-docs/