“Google says it received 43,683 US government requests for user data from 124,991 accounts in 2018, and provided the data in in 81 per cent of those requests. ”
(Computing, 10 Oct 2019)
Zuboff identifies “behavioural surplus” as the source of Google and Facebook’s revenue from their “free” services (and their paid services too). That (behavioural surplus) is all the information about you that is gleaned from your use of Google and Facebook’s “offerings”: search, email, posts, messages, friendships, likes, location and all uses of Google Maps, Google Photos, images on Facebook, anything you write on Google Docs etc, possibly even the contents of your files in Google Drive…
…and they clearly, are also quite happy (81% of the time!) to give that information to the US Govt.