In 2018, nine years after Pat Grady had first addressed his partners on the shift of software to the cloud, the hedge funders noticed something strange: most types of code had completed the predicted migration, but communications software was lagging. This anomaly seemed bound to end. The increasing acceptance of remote working would make video calls and messaging systems part of everyday life. The recent bankruptcy of a hardware-based communications software company, Avaya, suggested that the cloud’s moment was arriving. The hedge funders duly made three cloud-communications bets: Twilio,
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