Need a Way to Battle S.A.D.? Get Happy.

The days are shorter and the weather is colder, winter is here. Whether you suffer from Season Affective Disorder or just occasionally let the winter gloom get you down, Spy Optic has a solution. This year they launched their Happy Lens and at the end of the summer Spy's Jim Sepanek went on Bloomberg Television's to discuss the technology behind the lens. Here he speaks with Deirdre Bolton on "Taking Stock." (Source: Bloomberg)