150 hours to learn a language from zero to B1

Our current progress in accelerating language learning stands at this. In our lates group of reddit DuoLingo users, which we asked to try our system and compare it to their experience of DL – none of those people will take longer than 75 hours to get from zero...

The Random Walk

There’s a thing in statistics that goes like this. Take a dice, throw the dice 100 times after ignoring any time you throw a 5 or a 6. Starting from the centre of a piece of graph paper move upwards one square if you throw a 1, downwards one square if you throw...