Arena Co-Founder and CEO @ml_angelopoulos shares why the benchmarking industry is in a huge crisis: "It's not clear that that industry is going to exist even in the short term, three to five years." "As soon as the model has seen it once, that benchmark basically means nothing anymore because of this phenomenon called overfitting." "Overfitting is the idea that once you've seen the benchmark and it's no longer fresh data, you can basically memorise the questions, go study for those specific…