That's not a marketing talk but an important technical term instead. See this for a quick reference: https://github.com/ReactiveX/RxJava/wiki/Backpressure .
It is important to understand before even thinking about using reactive streams in production.
Re:Reactive Streams for the JVM hits 1.0.0
by CountHackulus on Friday May 08, 2015 @05:03PM
(#9514143)
It is absolutely marketing talk, there's other established terms for what that means but they elected to make up other terms. Perhaps they should take the lesson from this talk where they explicitly break down this exact term and explain what they REALLY mean in common terms.
> there's other established terms for what that means
Please could you expand on this?
Re:Reactive Streams for the JVM hits 1.0.0
by GFK_of_xmaspast on Thursday May 07, 2015 @11:08AM
(#9505578)
Did you try googling, from a quick glance it looks like results 4-6 are relevant.
non-blocking back pressure
How does that even relate? All I can think of is sticking a potato into a car exhaust.