One problem with the TIOBE Index is that the data is tainted by all of yesterday's web pages that nobody's bothered to take down yet. If you look at Google Tre

One problem with the TIOBE Index is that the data is tainted by all of yesterday's web pages that nobody's bothered to take down yet. If you look at Google Trends, for example, PowerShell has overtaken Perl in the last year or two. TIOBE is still looking at the big corpus of Perl stuff from the early 2000's, placing it at #8, and says PowerShell isn't even in the top 50.