diff --git a/entries/data_controller.txt b/entries/data_controller.txt
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+++ b/entries/data_controller.txt
@@ -0,0 +1,5 @@
+data controller
+
+In the language of data protection laws the "data controller" (DC) is the
+entity which stores and/or processes Personally Identifiable Information
+(PII) about "data subjects".
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