I do so on medium. I am sharing the link for the sake of it - https://medium.com/online-learning-ideas https://medium.com/online-learning-ideas . Though I very

I do so on medium. I am sharing the link for the sake of it - https://medium.com/online-learning-ideas https://medium.com/online-learning-ideas . Though I very recently started keeping one and hardly has anything. Earlier I have used google docs for the purpose. Though those documents were often more structured than the link I shared above.