I have always been unwilling to use Google Docs because of their copyright policies. Now, in trying to post a reply, I have researched it again. Maybe it is not as bad as it used to look; I still find it too obscure for me to be comfortable with Google Docs:
The first item in Google Docs Terms of Use <www.google.com/google-d-s/terms.html> is Terms of Service
Google Docs Terms of Service:
"11.1 You retain copyright and any other rights you already hold in Content which you submit, post or display on or through, the Services. By submitting, posting or displaying the content you give Google a perpetual, irrevocable, worldwide, royalty-free, and non-exclusive licence to reproduce, adapt, modify, translate, publish, publicly perform, publicly display and distribute any Content which you submit, post or display on or through, the Services. This licence is for the sole purpose of enabling Google to display, distribute and promote the Services and may be revoked for certain Services as defined in the Additional Terms of those Services."
The second item in "Terms of Use" is "Additional Terms," the first part of which replaces Section 11.1 with this:
"You retain copyright and any other rights you already hold in Content which you submit, post or display on or through, the Service. By submitting, posting or displaying the Content you give Google a worldwide, royalty-free, and non-exclusive license to reproduce, adapt, modify, translate, publish, publicly perform, publicly display and distribute any Content which you submit, post or display on or through the Service for the sole purpose of enabling Google to provide you with the Service in accordance with its Privacy Policy."
Google Docs privacy policy says, in pertinent part:
"Files you create with Google Docs may, if you choose, be read, copied, used and redistributed by people you know or, again if you choose, by people you do not know. Information you disclose using the chat function of Google Docs may be read, copied, used and redistributed by people participating in the chat. Use care when including sensitive personal information in documents you share or in chat sessions, such as social security numbers, financial account information, home addresses or phone numbers."