Just out of curiosity...
I was just playing with some chord progressions and I wondered about something I've done sort of instinctively since I was a little kid banging on the keyboard. I call it "squeeze and stretch". The idea is to move from one chord to the next by either squeezing some of the notes closer together or stretching them further apart.
Here's an example:
I'm sure there must be a technical term for this method. Just wondering if one of you theory gurus can tell me what it is.