https://www.theguardian.com/technology/2020/apr/07/twitter-chief-to-donate-quarter-of-his-fortune-to-coronavirus-fight

American Jack Dorsey putting $1bn into the funding of ‘global Covid-19 relief’

Jack Dorsey, Twitter’s chief executive, has pledged to donate $1bn (£800m) to fund coronavirus research to help “disarm this pandemic”.