The growing amplification of social media: measuring temporal and social contagion dynamics for over 150 languages on Twitter for 2009–2020Thayer Alshaabi, David Rushing Dewhurst, Joshua R. Minot, Michael V. Arnold, Jane L. Adams, Christopher M. Danforth and Peter Sheridan DoddsEPJ Data Sci., 10 1 (2021) 15DOI: https://doi.org/10.1140/epjds/s13688-021-00271-0