Another factor influencing language popularity is to have some control over the language popularity metrics. E.g. Groovy lead developer Jochen Theodorou got inv

Another factor influencing language popularity is to have some control over the language popularity metrics. E.g. Groovy lead developer Jochen Theodorou got involved with changing the TIOBE algorithms in January. In February, Groovy jumped from 49th to 25th place in one month.