Mathematics is so beautiful and captivating. And the visualizations in this article contribute to a better understanding of complex ideas! I’ve understood a concept behind correlation and Brownian motion. Thank you! I think I’ll reread this article after I think over new information.
GDP in terms of PPP shows the spending power of non English speaker (Tier 3 / Tier 4 / Villagers / non taxpayers) and some part of this huge number must be paid to local advertiser which might translate to online platforms for vernacular users.