OpenGL Vertex Buffer Object VBO
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* http://www.opengl.org/wiki/Buffer_Objects

* https://www.opengl.org/discussion_boards/showthread.php/178905-Multiple-objects-in-a-VBO-or-Multiple-VBOs

* http://www.opengl.org/wiki/Vertex_Specification_Best_Practices



Vertex Array Objects
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* http://ogldev.atspace.co.uk/www/tutorial32/tutorial32.html

Example of loading a mesh using VAO (rather than VBO) seems to 
need looping over vertices, surely horribly inefficient compared to VBO ?