How to exclude block from the Full Page Cache

Magento Enterprise Edition Full Page Cache is a great feature that significantly improves the frontend performance. Nevertheless, it is causing the troubles with the customisations that require the dynamic content output. As you may know, the customer and cart information custom outputs are the first “victims” there, especially, if you migrated your Magento store from Community to Enterprise Edition. Some of the custom solutions, as well as the Mage Store modules, may not be ready for such migration. This brief article will not only show how to avoid a separate block caching in FPC, but also uncover the way how it works.