You do not need any credit card and you can immediately sign up to see all of the course of the Pluralsight. Here is the link to Sign up for FREE.
Google Charts is a very effective way to represent visualizations. I have to build a course – Build Your First Data Visualization with Google Charts.
If you ask me where to start moving to the cloud, I will say one should start moving to the cloud by Designing a Data Archiving Strategy on Microsoft Azure.