To those wanting to avoid the paywall, click the 'web' link under the submission title.
ps: experimental printfriendly.com pdf sharing http://pdf.printfriendly.com/pdfs/1482008632_de749b/download
pps: reminds me of that article shared on HN not long ago http://www.ribbonfarm.com/2011/09/23/the-milo-criterion/
limits of system evolution
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