ive heard that 94 blue devils changed the way of drumline and even the DCI activity in general...anyone care to explain? no matter how much i watch, all the difference i can tell is that its more fast paced...

I think i could talk about this topic for hours....but i will just contribute a couple things for people to think about.

I think that the 94 season of BD is a pinnacle yeah for changes in drum corps, but you have to look back a few years earlier to see where the changes started.

rudimental drumming has been in a constant state of evolution with 94 being a year that BD shoved it in your face. i look back to Star of Indiana 91-93. those guys were playing some sweet beats that were much different than others prior to them. also Cavies in the early 90's made great strides in rudimental drumming. I urge you to try and get some of those recordings.
I also attribute the advances in drumming to the mass production of free-floater drums, and Kevlar heads.
these two products allowed drummers to play harder faster and with more clarity of articulation thus developing a newer style of rudimental drumming. There were free floaters around in the late 80's ( i think )
I also credit Scott Johnson for a lot of this he seemed to play this style way before others....Im not trying to talk down to others of that era.. but Scott seem to stand out in redefining rudimental drumming.

Just as drumming changed from the 80's to the early 90's i feel that drumming has changed again not as much in actual rudiments but more so in the writing and technique. I think a often overlooked change is with the bass line. Now days bass lines play a much bigger melodic role than even in the early 90's. also the bas playing technique has evolved over time check out some videos of 80' 90' and now.... you will see major changes in how bass lines play.

I know I have left many holes in the evolution of drumming but at least this might give a little bit of insight.
if i can think of more ill add soon.