The very best way to organize information is by date created – it is obvious, intuitive, universal, and can be generated automatically. Organizing by any other means has to have a very strong justification, and "actionability" is the only one I've found that qualifies
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Source is usually lost when centralizing notes in one place
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Source is mainly important when commingling sources of different levels of reliability because they have to be processed differently (with more of less verification for example)
Yes. For my main use case of blogging, I just need to cite barely enough that a determined person could track it down, or I could in the future if I really need to. Just in time citation
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