Do you seriously not see a difference between the video store clerk recording people who voluntarily information and personal data such as browsing history?<p>Nobody cares about Amazon using <i>their own</i> sales records and server logs to generate recommendations. The problem comes when technology companies decide that means they get to use <i>any</i> data.<p>If you&#x27;re fine with google using personal data, are you also fine with FedEx opening up every package they deliver to you?<p>&gt; take zero-sum advantage of you<p>Nobody said &quot;all&quot; or &quot;zero sum&quot;, which doesn&#x27;t apply here, but &quot;take advantage of you:&quot; is pretty much a description of capitalism. On HN, this is usually called &quot;monetizing&quot;.