Slingbox, which would use large amounts of wireless network capacity, could create congestion and potentially prevent other customers from using the network. The application does not run on our 3G wireless network. Applications like this, which redirect a TV signal to a personal computer, are specifically prohibited under our terms of service. We consider smartphones like the iPhone to be personal computers in that they have the same hardware and software attributes as PCs.
quote: Apple is a public-sector company which is publicly held. The first quote you have there is talking about the sector an organization is in...which would be a bit clearly if you included the next sentance noting the further formality of having the "-sector" appendange.
quote: A publicly-traded company is a private company that has permission to offer its registered securities (stock, bonds, etc.) for sale to the general public