#NeurIPS2021 invited talks round-up: part one – Duolingo, the banality of scale and estimating the mean

The 35th conference on Neural Information Processing Systems (NeurIPS2021) started on Monday 6 December 2021. There are eight invited talks at the conference this year. In this post, we give a flavour of the first three, which covered a diverse range of topics. Duolingo is the world's most downloaded educational app, with around 500 million downloads to date. In his talk, co-founder and CEO Luis described the different ways in which the Duolingo team use AI.