Silk screening your own posters avoids the tracking mechanism.
https://www.amazon.com/Speedball-Advanced-All-Screen-Printing/dp/B007W6SAD4
@not2b @ErikUden nope.
Some B&W do that too!
It depends on the model and manufacturer, but unless you lab-check them for #MicroDots chances are you don't know for shure...
In fact, @theintercept being run by absolute idiots is why #RealityWinner got caught!