GuerrillaCG Modeling Series
Guerrilla CG : Objects
Objects from The Guerrilla CG Project on Vimeo.

From Guerrilla CG:

Objects are simply bundles of polygons with a common pivot point. This tutorial shows how any combination of polygons can make an object, and why objects are useful. (3:52)

*Edit, there are only 50 polygons at 2 mins 14 sec.
GuerrillaCG Modeling Series (Beginner)
GuerrillaCG : The Polygon
GuerrillaCG explains the polygon: the basic building block of all 3d models.
GuerrillaCG : Multisided Polygons
GuerrillaCG explains multisided and intersecting polygons.

GuerrillaCG : Objects
GuerrillaCG explains objects and why they are useful.
GuerrillaCG : Primitives
GuerrillaCG explains primitives, and how to use these convenient starting points.

GuerrillaCG : Subdivision Artifacts
GuerrillaCG explains the relationship between topology and smoothing.