One way to consider data science is as an evolutionary step in interdisciplinary fields like business analysis that incorporate computer science, modeling, statistics, analytics, and mathematics.

For it to be considered "cloud computing," you need to access your data or your programs over the Internet, or at the very least, have that data synced with other information over the Web.

This is very important to understand because when making an application for mobile app development on the various mobile platforms you cannot just make one app and port it over to the next platform.