If there's an e-mail in your inbox asking you to open a Google Docs from someone, and you don't know who it is, don't open it. It's probably a phishing email disguised as a contact attempting to share a file from Google Docs, says Google. The email appears to come from someone inviting the user to share a document. The sophisticated email looks very similar to one sent by Google. For more information and details, see this article.
I love technology and how it enhances our lives! Just think, without the Apollo moon missions, we might not have calculators! Imagine!!