Amazon Simple Queue Service (SQS) is a fully managed message queuing service that enables you to send, store and receive messages between software components.
Request approval to purchase goods or services before creating a purchase order.
Promote webinars, trade shows, or conferences, and automate attendee follow-ups.
Submit and track employee or departmental expenses for reimbursement or accounting.
Submit receipts for expense reimbursement or record-keeping.