Dan Springer, a 25-year veteran of Silicon Valley and the CEO of DocuSign, acknowledges the tech boom is startling. "It is a little bit mind-blowing," Springer said in an interview. "I don't feel like we're in a bubble. I do think there is substance behind the valuations."/Credit:	David Paul Morris/Bloomberg/Getty Images

Dan Springer, a 25-year veteran of Silicon Valley and the CEO of DocuSign, acknowledges the tech boom is startling. "It is a little bit mind-blowing," Springer said in an interview. "I don't feel like we're in a bubble. I do think there is substance behind the valuations."/Credit: David Paul Morris/Bloomberg/Getty Images

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It's the end of pen-and-paper -- and DocuSign is cashing in

The pandemic has accelerated the demise of pen-and-paper signatures -- transforming once-boring DocuSign into a $37 billion tech darling suddenly worth more than Ford Motor, eBay or Best Buy.