Yes, there's a new iPhone coming. Here are five more numbers to keep an eye on today.

The hot start-up boasts huge viewership and Amazon is paying big bucks for it.

What another alliance against Amazon means for consumers.

Amazon Local Register will collect information about consumers' buying habits.

A Square-like card-reader may bring more data than cash.

The question: Is it price pressuring, or exercising the market muscle?

Meanwhile, its war with book publisher Hachette intensifies.

Amazon's stock fell 11 percent this morning following another sad earnings report.

For online retailers, replacing brick-and-mortar stores is a logistical problem.