Security often overlooked as products share data online
One difference between data-hungry businesses like Google and your future home network of Internet-enabled objects is that some of those devices may not need to talk to each other over the public Internet, said the Electronic Frontier Foundation's Lee Tien. If they're connected to the same Wi-Fi network, maybe those devices won't need to transmit data across the Web.
“Utilize but keep the data within the home boundary,” Tien suggested. “Keep the interesting variations within the home boundary. How much detail do we need and how much data needs to leave the home, actually?”