Expensify.com has launched a web-based expense reporting service that simplifies the process of submitting expense reports, and it uses Twilio to power its dial-in credit card activation and customer support phone hotline. Expensify's service allows users to easily track their expenses, submit reports, and receive reimbursement from their employers. The company is using Twilio's APIs and SDKs to provide a seamless experience for its customers, and has developed a robust system that streamlines the entire process of expense reporting. By leveraging Twilio's technology, Expensify is able to offer a more efficient and customer-centric solution for businesses and individuals alike.