First system map drawn!

I've just drawn my first system map! It's for Activity 2 of Block 1 Part 2, and looks a bit like this:

And this is why...

My ‘Email Communication System’ map shows the users as being inside the boundaries of the system as a whole, but separate (although influencing/influenced by the ‘Computers and Network’ subsystem. I feel that the users are too important to be considered as merely in the system’s environment, since they play an integral part in how it is used, and what it is used for – the system is likely to change and evolve around them.