In Lynch's mind, in addition to intelligent communication, the most practical thing is actually a pager.

It can let you know at any time that someone is looking for you, and it can also let you know what is looking for you.

Back then, he had a pager, one of the first in the country, with different tail numbers representing different things, plus messages from the artificial station, and the phone booths everywhere in the federation.

It can be said that pagers were at least a long time before mobile phones came out.

The content of this chapter is being updated...