The war between Google and Facebook is breaking out with a new force. Google has made changes to the
Terms of Service of the Contacts APIs, so that now everyone who uses them has to guarantee
reciprocity .
The chip is what it is. Through the Google Contacts API, you can search and add new friends on Facebook. And if now the social network does not provide similar information (that is, its social graph - links between all friends), then it will be obliged to refuse to use Google information.
Here's how to search for friends in Facebook through Gmail contacts.

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A new item that is added to the Terms of Service.
5.8. Google supports data portability. It is a fast and easy way to find out how to do it. exporting such data from Google Contacts, subject to applicable laws.
Social graph is the most valuable thing Facebook has. Even having recently launched a feature for exporting information, they allowed each user to download from the site and save any data — photos, videos, messages, statuses, events — except for the list of friends.
At the same time, Google allows users to freely export and save all contacts. A
special explanation from Google representatives said that the new changes to the Terms of Service should eliminate the existing injustice and ensure “true freedom of information”.
“Many sites allow you to import and export information, including contacts, easily and quickly. But sites that do not allow to do this, like Facebook, put the user in a hopeless situation. People often do not realize that as soon as they import their contacts to a site like Facebook, they fall into an effectively placed trap, ”said Google comments.