Before Zomato's Nugget, tech products like Amazon Web Services (AWS), Slack, Twitter, Google Workspace (including Gmail) and more were also initially developed for internal use but on being launched publicly, turned out to be a massive success. Read more: https://www.outlookbusiness.com/start-up/news/from-internal-tool-to-market-disruptor-can-zomatos-nugget-replicate-aws-success