Eight months into a controversial customer-tracking mobile trial, Nordstrom has halted the effort. Although Nordstrom took a lot of criticism for the mostly misunderstood program from consumer media, it's not clear whether the project ended as a result of the criticism or the trial had simply run its course.

By now it is almost gospel that investing in innovative new products and services helps a company's long-term success. That doesn't mean it's easy. A new study from Accenture, "Why 'Low Risk' Innovation Is Costly," found that fewer than one in five chief executives believes his strategic investments in innovation are paying off, and that this poor track record is starting to discourage companies from taking risks.