Update 03_ethics.ipynb

03_ethics.ipynb

@@ -901,7 +901,7 @@
     "\n",
     "In an [article on privacy issues](https://idlewords.com/2019/06/the_new_wilderness.htm), Maciej Ceglowski draws parallels with the environmental movement: \n",
     "\n",
-    "> : This regulatory project has been so successful in the First World that we risk forgetting what life was like before it. Choking smog of the kind that today kills thousands in Jakarta and Delhi was https://en.wikipedia.org/wiki/Pea_soup_fog[once emblematic of London]. The Cuyahoga River in Ohio used to http://www.ohiohistorycentral.org/w/Cuyahoga_River_Fire[reliably catch fire]. In a particularly horrific example of unforeseen consequences, tetraethyl lead added to gasoline https://en.wikipedia.org/wiki/Lead%E2%80%93crime_hypothesis[raised violent crime rates] worldwide for fifty years. None of these harms could have been fixed by telling people to vote with their wallet, or carefully review the environmental policies of every company they gave their business to, or to stop using the technologies in question. It took coordinated, and sometimes highly technical, regulation across jurisdictional boundaries to fix them. In some cases, like the https://en.wikipedia.org/wiki/Montreal_Protocol[ban on commercial refrigerants] that depleted the ozone layer, that regulation required a worldwide consensus. We’re at the point where we need a similar shift in perspective in our privacy law."
+    "> : This regulatory project has been so successful in the First World that we risk forgetting what life was like before it. Choking smog of the kind that today kills thousands in Jakarta and Delhi was [once emblematic of London](https://en.wikipedia.org/wiki/Pea_soup_fog). The Cuyahoga River in Ohio used to [reliably catch fire](https://www.smithsonianmag.com/history/cuyahoga-river-caught-fire-least-dozen-times-no-one-cared-until-1969-180972444/). In a particularly horrific example of unforeseen consequences, tetraethyl lead added to gasoline [raised violent crime rates](https://en.wikipedia.org/wiki/Lead%E2%80%93crime_hypothesis) worldwide for fifty years. None of these harms could have been fixed by telling people to vote with their wallet, or carefully review the environmental policies of every company they gave their business to, or to stop using the technologies in question. It took coordinated, and sometimes highly technical, regulation across jurisdictional boundaries to fix them. In some cases, like the [ban on commercial refrigerants](https://en.wikipedia.org/wiki/Montreal_Protocol) that depleted the ozone layer, that regulation required a worldwide consensus. We’re at the point where we need a similar shift in perspective in our privacy law."
    ]
   },
   {