>Today, we introduce Open Images, a dataset consisting of ~9 million URLs ... having a Creative Commons Attribution license* .
Then the footnote below:
>* While we tried to identify images that are licensed under a Creative Commons Attribution license, we make no representations or warranties regarding the license status of each image and you should verify the license for each image yourself.
I think this might be the most blatant instance I've ever seen of, "We have to write this even though it's essentially impossible for you to actually follow our directions."