Their privacy policy seems open ended enough to indicate otherwise. Using this router allows Google to collect a HECK of a lot of data about your Internet usage.
Well, privacy policies are weaksauce and in general haven't been legally tested that much.
Terms of Service [1] is the real deal. For e.g. - (I've removed examples given in brackets)
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When you upload, submit, store, send or receive content to or through our Services, you give Google (and those we work with) a worldwide license to use, host, store, reproduce, modify, create derivative works communicate, publish, publicly perform, publicly display and distribute such content.
The rights you grant in this license are for the limited purpose of operating, promoting, and improving our Services, and to develop new ones. This license continues even if you stop using our Services.
Our automated systems analyze your content to provide you personally relevant product features, such as customized search results, tailored advertising, and spam and malware detection. This analysis occurs as the content is sent, received, and when it is stored.
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So yeah, the Terms of Service is filled with so many legal loopholes that only a lawyer would love.
Sure! What else doesn't it do "for now"? You should make a list. Subliminal messaging out of the speaker, ad hoc mesh for coordinating kill-bots...
More seriously, one nice feature of that page:
If changes are made to this article (which should be rare), a revision history will be available on this page to let you know what has changed and why.