Market techies:
there is always something new in technical analysis
I remember with on-balance volume was the in thing
Then Point and Figure
Then trend following
Then Elliott Wave Theory - once it was king of the palace
Then charting
Then indicators
Then trading the stack
Now VWAP or whatever it is the kids call it
Someday some youngster will say to you ... "Vwhat?"
The more things change the more things stay the same
Classical charting was codified in 1934 ... and it has not lost a step
Old school will always rule in the end