Zepto, the $5-billion quick commerce company, was started with a WhatsApp group, Co-founder and CEO Aadit Palicha revealed. He said that they spoke to customers and made tweaks to the company's model for a year before building the first version of Zepto. After Zepto reached a "meaningful scale", Palicha and Co-founder Kaivalya Vohra decided to drop out of Stanford University.