(Image credit: Shutterstock) On Thursday, Amazon Web Services (AWS) introduced a new charge for customers with public IPv4 addresses. It had warned that a new pricing plan would be put into place six months ago, and we had a rough idea of the scale of charges that many customers would face. However, the Border0 blog has spotlighted some very interesting financial implications of the change, estimating that Amazon will make as much as an extra $1 billion from its stable of IPv4 addresses over the...