<https://iblnews.org/outschool-reaches-a-valuation-of-3-billion-four-months-after-hitting-unicorn-status/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://iblnews.org/outschool-reaches-a-valuation-of-3-billion-four-months-after-hitting-unicorn-status/>