Welcome to check out our updated ODT (Origin-Destination-Time) Flow Explorer to explore worldwide human mobility at various geographic scales. Twitter-derived flows are updated to 12/31/2020, and SafeGraph-derived flows are updated to 02/24/2021. Two new geographic levels including the world first-level subdivision and US census tract (for South Carolina and Texas) are added. Use this link for the Explorer: https://lnkd.in/gebgvDa And this link for the new Video Tutorial: https://lnkd.in/eVvt9Dn Preprint article: https://lnkd.in/eb3PM5J