diff --git a/ati-ti/TOPIK b/ati-ti/TOPIK
index d6f0f2e..daa80b4 100644
--- a/ati-ti/TOPIK
+++ b/ati-ti/TOPIK
@@ -77,6 +77,13 @@ Kelompok 1 : Skype
 22084577
 22094718
 
+Kelompok 2: Twitter
+71110002
+71110006
+71110007
+71110009
+71110024
+
 Kelompok 3 : LastFM
 71110001
 71110029