Various readings on Building a Second Brain and the like comment about one of our flaws is capturing too much. Presently I don't agree with this, especially when using Napkin. If I'm unsure if I should capture it or not the default should be to capture it, because I'm relatively certain I won't remember it tomorrow, but Napkin will. If and when it connects to other things I might choose to synthesize another thought, and if it never connects then who cares?
Oh, and from this post there were two thoughts that went into Napkin!!!!