This document discusses Concur's integrated travel and expense management platform and opportunities for developers. It notes that Concur processes over $50 billion in travel spend annually for 20,000 companies and 25 million users worldwide. The document promotes Concur's open platform and app center as ways for developers to build solutions that leverage Concur's robust travel and expense data to target business travelers and companies. Developers are encouraged to explore opportunities and innovate new apps to reach Concur's large customer base.