Google Merchant Center now uses your marketing email content “in places across Google such as Search, Shopping, and Maps.”
From the docs:
> What information does Google extract?
> Google crawls through the marketing content to gather relevant data, including, but not limited to:
>
> - Links to primary social media channels
> - Highlighted social media content
> - Upcoming or current sales and promotions
> - Brand images and videos
> - Brand voice and values
Not great if you like VIP offers for subscribers.
Opt-in by default. Big G may auto-subscribe or may need to be added to your list manually.