Not sure it is actually a permission so much as a feature of Google Now.<p>Paragraph 2 of this page:
<a href="http:&#x2F;&#x2F;arstechnica.com&#x2F;gadgets&#x2F;2015&#x2F;10&#x2F;android-6-0-marshmallow-thoroughly-reviewed&#x2F;3&#x2F;" rel="nofollow">http:&#x2F;&#x2F;arstechnica.com&#x2F;gadgets&#x2F;2015&#x2F;10&#x2F;android-6-0-marshmall...</a>