Installer images
Test distance between every Nth particles (XSI mailing list)
by Chris Marshall
Set the state id’s of the bigger particles to something different than the smaller ones.
Then use the setup in the jpeg, which basically uses the Get Neighbouring Particles by State compound, testing the distance between the big particles using the Cutoff Distance.
by Peter Agg
by Fabricio Chamon
ICE: Rotating particle based on neighbors position?
by Fabricio Chamon
eX-SI 
I assume you’ve included the “Digital Production” screenshot for its “novelty” value, not for its content. As a description of the new version it’s extremely bland IMHO… Factually true, but not by any means appealing, I’d say.
š
Yes, I included it just for the “Last but not least” headline.