Add source to the text.

diff --git a/A_radical_proposal_to_keep_your_personal_data_safe.md b/A_radical_proposal_to_keep_your_personal_data_safe.md
index 78b8b192d3ef7bbe19e2602ef9d934f457b68fa4..f83a61dd74a0c3302fc7e2f95b5e7962a5543b21 100644 (file)
--- a/A_radical_proposal_to_keep_your_personal_data_safe.md
+++ b/A_radical_proposal_to_keep_your_personal_data_safe.md
@@ -119,3 +119,7 @@ system GNU.
 Copyright 2018 Richard Stallman. Released under [Creative Commons
 Attribution NoDerivatives License
 4.0](https://creativecommons.org/licenses/by-nd/4.0/).
+
+Originally published by [The
+Guardian](https://www.theguardian.com/commentisfree/2018/apr/03/facebook-abusing-data-law-privacy-big-tech-surveillance)
+2018-04-03.