Some elements of this plot are similar to John Brunner's 1980 novel, *The Infinitive of Go."

A new teleportation technology is under suspicion, in that it seems it may change people who travel by "Poster". One of the developers, therefore, sends himself, and finds that the world in which he arrives is subtly changed.

Over time, it is discovered that Posting involves switching between multiple (infinite?) alternate universes.

In the last chapter, it's revealed that one character still knows of an earlier super-secret project, that of testing what happens if someone is sent without an active receiving station.

Some elements of this plot are similar to John Brunner's 1980 novel, The Infinitive of Go.

A new teleportation technology is under suspicion, in that it seems it may change people who travel by "Poster". One of the developers, therefore, sends himself, and finds that the world in which he arrives is subtly changed.

Over time, it is discovered that Posting involves switching between multiple (infinite?) alternate universes.

In the last chapter, it's revealed that one character still knows of an earlier super-secret project, that of testing what happens if someone is sent without an active receiving station.