https://secondneuron.com 2026-06-02T09:33:17.563Z weekly 1 https://secondneuron.com/extension 2026-06-02T09:33:17.563Z monthly 0.8 https://secondneuron.com/compare 2026-06-02T09:33:17.563Z monthly 0.7 https://secondneuron.com/compare/second-neuron-vs-readwise 2026-06-02T09:33:17.563Z monthly 0.7 https://secondneuron.com/compare/second-neuron-vs-anki 2026-06-02T09:33:17.563Z monthly 0.7 https://secondneuron.com/compare/second-neuron-vs-obsidian 2026-06-02T09:33:17.563Z monthly 0.7 https://secondneuron.com/privacy 2026-06-02T09:33:17.563Z yearly 0.3