Having to blast wifi through an entire building is part of the problem. If transceivers only need enough power to go a foot or three from an ethernet port with

Having to blast wifi through an entire building is part of the problem. If transceivers only need enough power to go a foot or three from an ethernet port with a wifi dongle on it, the problem is solved. See also: cell phones having to boost power for more distant towers. As things are, every device has to scream to be heard.