diff --git a/socialmedia.txt b/socialmedia.txt
index 5e694c3..20f30f9 100644
--- a/socialmedia.txt
+++ b/socialmedia.txt
@@ -1,3 +1,6 @@
+-----BEGIN PGP SIGNED MESSAGE-----
+Hash: SHA512
+
 My accounts around the Internet
 ===============================
 
@@ -43,3 +46,28 @@ Miscellaneous
 GoodReads: http://www.goodreads.com/user/show/11147845-mika-suomalainen
 My homepage: http://mkaysi.github.com/ ( mirror #1: http://cadoth.net/~mkaysi )
 This list: http://mkaysi.github.com/socialmedia.txt
+-----BEGIN PGP SIGNATURE-----
+Version: GnuPG v1.4.11 (GNU/Linux)
+Comment: Homepage: http://mkaysi.github.com/
+Comment: Public key: http://mkaysi.github.com/PGP/0x82A46728.txt
+Comment: gpg --fetch-keys http://mkaysi.github.com/PGP/0x82A46728.txt
+Comment: Fingerprint = 24BC 1573 B8EE D666 D10A  AA65 4DB5 3CFE 82A4 6728
+Comment: I have personal problem with PGP/MIME...
+Comment: ...so signature *IS* long. See http://git.io/6FLzWg
+Comment: Please remove PGP lines in replies. http://git.io/nvHrDg
+Comment: Charset of this message should be UTF-8.
+
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+=FLs3
+-----END PGP SIGNATURE-----