A student raises his hand while attending an online class from home in Miami, Florida, U.S., on Thursday, Sept. 3, 2020.
Eva Marie Uzcategui—Bloomberg/Getty Images

During the pandemic, education-­technology firm Kami—which lets teachers share learning resources, conduct virtual classes, provide feedback, and more—offered its products for free to its 32 million teachers and students in 180 countries, despite having no other revenue source. That move has paid off as districts made decisions later on about how to spend their money; Deloitte named Kami New Zealand’s fastest-growing business last year following a nearly 1,200% revenue increase.

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