--- a/lang-comp.rst	Fri Oct 14 23:48:24 2011 +0300
+++ b/lang-comp.rst	Sun Nov 20 20:14:48 2011 +0200
@@ -11,6 +11,20 @@
   http://en.wikipedia.org/wiki/Comparison_of_programming_languages
   http://en.wikipedia.org/wiki/Comparison_of_programming_languages_%28basic_instructions%29
 
+Lang popularity.
+================
+
+  http://www.tiobe.com/index.php/content/paperinfo/tpci/index.html
+                TIOBE Programming Community Index
+  http://www.langpop.com/
+                Programming Language Popularity
+  http://www.google.com/trends
+                Google trends (history of search request count).
+  http://stackoverflow.com/questions/48997/what-programming-language-is-most-popular-today
+                what-programming-language-is-most-popular-today
+  http://www.koders.com/
+                Search code by lang/licence.
+
 shootout.alioth.debian.org.
 ===========================