Goal: Reduce the CPU overhead of launching a batch of geometry
Allow more interesting and varied content by increasing the number of draw calls per frame
Imagine “Instancing” but with significant additional flexibility

Buffer objects are accessed as C-style pointer dereferences in the shading language

This is very interesting... Instead of the driver giving back object names/IDs, which can be converted to pointers inside the driver, the driver gives back actual GPU pointer addresses as the object name.