2012-10-12 UTC
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singpoly1a https://singpolyma.net/2009/04/my-ultimate-aggregator/ https://singpolyma.net/2010/10/thinking-about-aggregators/ https://singpolyma.net/actionstream/initial-mockup-of-my-aggregator-idea-httpsingpolyma-netp439-httpi42-tinypic-com1zbtf2u-png/ https://singpolyma.net/2009/05/poshstream-a-poshformat-profile-of-activitystreams/