What can we learn from 20 years of Facebook?

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<blockquote class="wp-embedded-content" data-secret="pUpFh3twPJ"><a href="https://thinkingfaith.com/what-can-we-learn-from-20-years-of-facebook/">What can we learn from 20 years of Facebook?</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://thinkingfaith.com/what-can-we-learn-from-20-years-of-facebook/embed/#?secret=pUpFh3twPJ" width="600" height="400" title="&#8220;What can we learn from 20 years of Facebook?&#8221; &#8212; Thinking Faith" data-secret="pUpFh3twPJ" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript">
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