[jacques_chester]

> Yes, they should have known better.

As they point out, connections to Google Docs are encrypted. There's no way for them to tell what is and isn't legitimate traffic.

[pwthornton]

There are multiple ways to know what your users are doing, and there is more than just monitoring traffic. They can do surveys and qualitative studies, and they would have then known how widely used Google Docs was.

Lack of knowledge is not an excuse.