<http://schema.org/mainEntityOfPage>
<https://techcrunch.com/2012/11/23/a-glimpse-of-the-apocalypse-walmart-customers-fight-over-phones-on-black-friday/>
<https://techcrunch.com/2012/11/23/a-glimpse-of-the-apocalypse-walmart-customers-fight-over-phones-on-black-friday/>