What is an API? Why do you think that companies would allow other applications to access internal data for free by means of an API?

Distinguish between IaaS, PaaS, and SaaS. Name a core feature and an application of each.

How is interacting with a virtual server different from interacting with a physical server that might be located on-site?

How is a mashup different from a portal?

What role do Web services and APIs play in sharing information between applications?

Name one feature found in each of Google Documents, Spreadsheets, and Presentations that takes advantage of the fact that the application and its data both live in the Cloud.