'Brain plug-in' and 'brain bump' are two branches on the same line of technology.
'Brain plug-in' needs no explanation: brain-machine interface, virtual world, Destructive Divine Domain, Heaven... ah, erase that last one.
But 'brain bump' is another matter altogether.
The difference between the two is that 'brain plug-in' requires a host system to manipulate, whereas 'brain bump' does not.
The brain itself is its manipulation system.
Back in the day, Mr. G peddled books across the entire star system and was frequently raided by various civilizations' anti-pornography campaigns, losing his collection of wives.
After a major financial loss, Mr. G took a long hard look at himself, pondering why his incredibly legitimate industry kept getting wiped out by the forces of harmonization across different civilizations.
It's merely a matter of changing XP, altering lineage, and disrupting race propagation.
