Twitter founder Jack Dorsey has pledged $1 billion to coronavirus relief, universal basic income, and girls' education.<br />Business Insider reports that millionaires, billionaires, and tech luminaries are applauding Dorsey.<br />Dorsey said the new fund will be backed by his Square equity. He estimates it's about 28% of his wealth.<br />"That's awesome, @jack," Ev Williams, the CEO of Medium and a Twitter cofounder, tweeted on Tuesday.<br />Businessman Mike Bloomberg said Dorsey's new fund is a "powerful testament" to Dorsey's commitment to helping others.