https://www.reuters.com/article/us-facebook-privacy-eu/facebook-privacy-activist-schrems-battle-nears-end-on-dec-19-idUSKBN1YH1Z7 >Austrian privacy activist Max Schrems' seven-year battle against Facebook reaches a crucial point on Dec. 17 when an adviser to Europe's top court will issue his view on whether tools used by companies to transfer data abroad are legal or not.