Whitey - 10:00 pm on Jan 5, 2013 (gmt 0)

I think long-term viability is what distinguishes the difference between running a business and a hobby

Exactly - sustainability is what makes a business.

But not everybody can afford to make the leap from SEO to a sustainable business model with diverse channels. More technology, more skilled employees etc. to achieve stronger brand.

Lack of investment and skills is part of the reason so many folks were unable to combat Panda, and now probably Penguin.