“Technically, at least, information and its flow can be accurately detected and counted (in bits, bytes, and baud rates) by simple electronic devices. Attention is more mysterious, a process that can occur only in a mind, yet somehow it moves out into the world as well. If you're in a phone conversation, your attention goes to the party at the other end of the line. If you're chatting over the Net, your attention flows through it. “
https://firstmonday.org/article/view/519/440