The conversation between human and AI assistant.
How many and what languages should one learn in order to be able to speak to at least 90% of all humans?
That makes sense. But what about learning languages for business purposes?
In terms of business, learning English is considered essential as it is the lingua franca of global business. However, it would also be beneficial to learn the language(s) spoken in the specific country or region with which you plan to do business.