Sales of Vitamin D supplements have jumped 82 percent in the course of one year, often thanks to the recommendations of personal physicians. But a new study released today says Americans are actually meeting their Vitamin D requirements already.

With the rise in high-volume online video content like Netflix streaming, Internet service provider Comcast claims it needs to build out its networks to keep up, so it's charging Internet pipe systems a bigger fee. Netflix says Comcast is blocking the content because the entertainment-rental company is a threat.

Before you get too excited about announcements that consumer spending has jumped, take a listen to what Marketplace's Bob Moon found out about how those numbers are calculated.