Powerline connectivity: "Three Japanese consumer electronics giants have created a new technology to transport Internet and media signals around the home via the electricity network. .. Sony, Mitsubishi and Matsushita-owned Panasonic have set up the SECA powerline alliance.   They have developed a system to transfer 170 Megabits per second of data through the power lines of a home, Panasonic researcher Ingo Chmielewski told journalists at the electronics trade fair CeBIT"  1:06:48 AM