Thank you, Essentially since I already use Kindle for reading HN it was natural for me to extend from it. I've heard good things about Hypothesis but I haven't

Thank you, Essentially since I already use Kindle for reading HN it was natural for me to extend from it. I've heard good things about Hypothesis but I haven't used it yet. This thread has various tools for knowledge management with each sharing how and what they use it for; Exactly what I wanted from this discussion.