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  1. <!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji"}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;padding-left:1.5rem;max-width:60rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{line-height:2.25rem;font-size:1.5rem;font-weight:500}@media (width <= 720px){.h2{line-height:1.5rem;font-size:1.25rem}}#challenge-error-text{background-image:url("data:image/svg+xml;base64,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");background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme: dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="360"></head><body><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt = {cvId: '3',cZone: 'ask.metafilter.com',cType: 'managed',cRay: '9615e0a94a260132',cH: 'BstdTanFSbdDP5aqwOJCEB6m4wRysoTpVFhZh9BVi6Y-1752882587-1.2.1.1-ChXoJRKjpHMFEmZCnnlCzAmewVW3wvFugu_KAMbJzCLS3bW60Wf12mDn_R2MJuBh',cUPMDTk:"/rss.xml?__cf_chl_tk=wTde2pIqAup8ocD6BSA7Nr6h1YKQSG40tJ17xg_zN7E-1752882587-1.0.1.1-fGygWa60KG6YOMnpPPNkWAO_f9wudeGOZRawqQBMUg0",cFPWv: 'g',cITimeS: '1752882587',cTplC:0,cTplV:5,cTplB: 'cf',fa:"/rss.xml?__cf_chl_f_tk=wTde2pIqAup8ocD6BSA7Nr6h1YKQSG40tJ17xg_zN7E-1752882587-1.0.1.1-fGygWa60KG6YOMnpPPNkWAO_f9wudeGOZRawqQBMUg0",md: 'hb1WHLgTnHL98PoXe2qn.lF8g4MR2FY3f2ELxphR30A-1752882587-1.2.1.1-FpbcbmMpKgtMFDf8N2ti4X20fekfiCY3yxFIwwn86lzBV1YtWcJBTPjx_r1mELC1KeyKcZXuNnsSttjQ9Ae9KzUyDswAY7YvPjgctbp.VlKhVe7zrBkhf1RGoj1B.dhGL9ACnnnrlPGjjb0FndvapD_ZxTVBL6l5y057dXq5eIOhBVeibl2If_my.ccrLib0ca2sX6bIcDehyVoJk.vlxIlr3SbUEhFyC4XzJbPDBsw.fjL4rEvEUvW3dzhykUIIp2HPptD5UA7hPRpXqZLwB1YmYZYkSwqZ_PpFCUCbKz29mqy43xFQ9BFmVEaZcAUu4tCw3vAvugZV.DS.edLAnEUkUuCJSCr2o1z8_EO7fcxNuEI67KfdUBDQDk5GzpEbaFjcNCmAqGki8y5oODL72iDwPNTj0KSrEY7U.YjXLvG3EnUbrSHyDKA0gU3kao9T8fWCDaLU0eNQPfYlK9dm6.2yQn3nH4zTouF40cpabe6wPjLgJd4d6OWcGSaA51MzR5vYzFyBOLjuVbodbPSaK26jtsYaierkR7LUrpj7Z4qLgS4OQYgVJwIsFGZxZIk4RP.WNpHZnIC_C8C5zq7f9Akg81I8s5VVMn.RYqbuqEuKEldu32kk5G1mw2eFL4.5ljf3ZYQu56jDShEg4iSRpuOfnGEroJCsUmpZDdC30bbUVG2Zy.wpbcYOkyGiHvLLDpY569HGqnDrxR0brDhrwxCfm_1CRPZDs91FHttCMz1DOEfppSFhF5HZ8Fpc__grYszA_89YwFNPad55bB.NlETdiHc3ENGsSlpNng35RxTg0vtzYdNyfZA95iFcETKlj4bvPsj.arYKU1DLlHlSIPMXcczbnn8ptXO1LIGBI.LUjinK8YZeZGBAxPkQHgNvKky1jSwCxd56rwkoG.EM5nGady.5SsdDzP6ALu.2DfhQJwZt2cJbNzxUwAG6ULfw1Dtw.BMaTZF6AVkYbkSfDaYRnLoFC_meEyYPo6jUFD4xHnjOn_DDB61rJD9.P7G7',mdrd: '',};var a = document.createElement('script');a.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9615e0a94a260132';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null,"/rss.xml?__cf_chl_rt_tk=wTde2pIqAup8ocD6BSA7Nr6h1YKQSG40tJ17xg_zN7E-1752882587-1.0.1.1-fGygWa60KG6YOMnpPPNkWAO_f9wudeGOZRawqQBMUg0"+ window._cf_chl_opt.cOgUHash);a.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(a);}());</script></body></html>
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