Financial Accounting Standards Board (FASB) and the International Accounting Standards Board (IASB) came together on a unified project to outline the accounting principles for recognizing revenue and to develop a common revenue standard for U.S. GAAP and IFRS. Research IAS-18, Revenue, and discuss how it would apply to Amazon.

Please do following:

A brief explanation of what IAS 18 is and then another explanation of how it relates to Amazon. Total answer should be a paragraph long.