We can’t predict with certainty which businesses will fail or which industries will be disrupted next (after all, Blockbuster, Borders and Circuit City all had long and impressive reigns). But as author Jacob Morgan told me when I interviewed him for my Forbes blog, there’s a critical difference between job security, which is now obsolete, and job stability, which is the ability to make a living in your field through various means. Monopolies are disintegrating and middlemen are being cut out. But with a few key shifts, it’s possible to create job stability for yourself.