Examining the IoT and Qt

As we start this chapter, why don't we go back in time and look at how five or six computers talking to one another has now turned into a world where everything is connected? Let's also look at where Qt fits into that world.

The IoT – a brief history

When I graduated from college, shared university computers were networked computers connected together in various ways, and computer addresses always included a path from a well-known machine to the machine you were on. For instance, this was my email signature back in 1988; it contained three different ways to reach me:

The Wumpus     UUCP: {cmcl2!decvax}!rochester!ur-tut!aptr
               BITNET: aptrccss@uorvm
               Internet...