How Much Data Do You Need To Train A Chatbot and Where To Find It?

Most providers/vendors say you need plenty of data to train a chatbot to handle your customer support or other queries effectively, But, how much is plenty, exactly? We take a look around and see how various bots are trained and what they use. Recent bot news saw Google reveal its latest Meena chatbot (PDF) was trained on some 341GB of data. Meena is "a multi-turn open-domain chatbot trained end-to-end on data mined and filtered from public domain social media conversations." The 38-page scientific paper highlights the advanced nature of Meena, but any business looking to train its bot faces that same opening question, how much training is enough?