Spreadsheets have long been a staple for managing and storing structured data due to their flexibility and accessibility, but they can be error-prone and limited when it comes to building interactive interfaces or handling complex tasks. Retool offers a solution by enabling users to quickly create user interfaces and internal tools on top of Google Sheets, transforming simple spreadsheets into powerful applications. This integration is particularly useful for tasks like automating personalized emails in sales, managing inventory in e-commerce, or developing custom CRMs without moving to entirely new systems. Retool's capability to pull and combine data from various sources enhances these applications, allowing for enriched data insights and streamlined workflows. The platform supports a range of use cases, including applicant tracking and financial modeling, by allowing users to maintain their existing Google Sheets as a backend while offering a more controlled and user-friendly frontend experience.