alt Hacker NewsI was reading the Anki article on 2015-12-13, and the best prediction was by markm248 saying: "Remember that you read it here first, there will be a unicorn built on the concept of SRS"
They were right, Duolingo.
I was reading the Anki article on 2015-12-13, and the best prediction was by markm248 saying: "Remember that you read it here first, there will be a unicorn built on the concept of SRS"
They were right, Duolingo.
Duolingo existed for a while at that point and was already valued at $500M by end of 2015.