As the 2014 TPM Conference approaches, the rumblings of change in the container shipping world are growing louder. It shouldn’t be surprising. How long can an industry that has averaged a 1.7 percent profit margin over the past 15 years, according to Seabury, not be ready to break out into a new business model? But people have been saying that for years. The difference is that now things may actually be starting to happen.