In the 1970s and 1980s, the fastest way to transport lots of data between information devices was often to carry it down the hall on a magnetic tape or floppy disk–a method that computer scientists jokingly referred to as “Sneakernet.”
At my house, Sneakernet still rules, at least when it comes to multimedia networking. If I want to download a movie or TV show from an online service such as iTunes, for example, I attach my laptop to the 10-megabit-per-second cable modem in my office; if I then want to watch that same show in my living room, I have to lug the laptop downstairs.
But consumer-electronics makers have a different vision in mind, and they’ll be marketing it to thousands.The vision: consumers could simply point a remote control at their entertainment center and access video, music, or photos stored on their PC using a home broadband network based on old-fashioned Ethernet or Wi-Fi connections or newer technologies, such as powerline networking and ultra-wideband (UWB) wireless.
The gadgets that allow this integration are called “media adapters.” The category hasn’t yet attracted much attention among the...