Where to read about Cisco ACI?

The last month I've started a project with Cisco ACI fabric deployment, so I dug for information and found few resources along with standard Cisco manuals.

First of all I want to mention Cisco resources about ACI:

• Cisco Application Policy Infrastructure Controller
• Cisco ACI Youtube channel
• Cisco On-Demand Library

Very informative blogs about ACI:

• Unofficial ACI Guide
• Adam Raffe's blog section: Learning ACI
• RedNectar's blog: tag ACI

Guides:

• Using APIC RESTful API

I will update thе list as I find useful resources on this topic.