Netflix and Amazon customers are zooming past an inflection point

An inflection point is a term from calculus. It’s a place where a charted curve changes direction. Inflection points make interesting charts. They can also be harrowing for passengers zooming along the curve, hanging on for dear life. Just ask today’s struggling newspapers, publishing houses and record labels. Many would tell you that passing an …

Netflix understands the strong ROI of improved customer satisfaction

After three years, the Netflix Prize competition is coming to a triumphant close. This is where the online DVD rental company offered a $1 million reward to anyone who could improve its flawed Cinematch recommendation engine by at least 10 percent. Back when it started, I suggested one novel way that a competing team might …