Join the Tableau Community Forums to find solutions for what you need to accomplish. Ask questions to receive help and feedback.
Get inspired by the many interactive visualizations in the Visual Gallery. Download the workbooks to play with on Tableau Desktop
Tableau training: How-to Videos
Lynda.com --Lynda.com has a great variety of training videos about Tableau.
Note: Lynda.com can be accessed with a Boston Public Library Card. Anyone residing in the state of Massachusetts can apply for a free e-library card. Once you have a Boston Public Library account, you can use your credentials to log in.
More reading about data visualization:
The Big Book of Dashboards
Visual Reporting and Analysis: Seeing is Knowing Whitepaper
Visual Analysis Best Practices: A Guidebook Whitepaper
Data Storytelling: Using visualization to share the human impact of numbers Whitepaper
Beautiful Evidence – Edward Tufte
Information Dashboard Design – Stephen Few
Information Visualization – Colin Ware