
 A couple of days after the announcement of Google+, the first extension for Chrome has already appeared, which automates the export of contacts from Facebook to Google+. For four days, the expansion of 
Facebook Friend Exporter was installed by more than 17 thousand people.
Source code 
fb-exporter on github .
With the advent of Google+, the 
war for the social graph , which Google and Facebook have long 
fought, is resumed. As you know, Facebook does not allow exporting a list of your friends to mailing addresses and prohibits the automatic collection of this data (paragraph 3.2 
ToS ). The previous Chrome extension with the same functionality was blocked on Facebook, and then 
removed from the Google Code site and from github. Let's see what Facebook will do this time (UPD: 05.07 the application is blocked).
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At the same time, Google pointedly emphasizes the ability to export contacts ( 
Google Takeout ) and constantly advocates for “freedom of information”.