PYPLPopularity of Programming Language Index
PYPLPenn Yan Public Library (New York)
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The results of the PYPL index conflict with those of the better known TIOBE Programming Community Index , which ranks language popularity based on the number of skilled engineers world-wide, courses and third party vendors.
However, it uses the word "programming" in the search phrase rather than "tutorial", which PYPL claims is "misleading".
q=NASDAQ%3APYPL&ei=Y7VzV4ipKcKEeJ_lgdgH) PYPL ), which fell alongside other financial companies last Friday.