Whats the difference between marlboro red and black?

In my opinion its the taste and how long they burn for

Leave it to Philip Morris to figure out the psychology of the "black sheep" smoker - the one that strays from the straight and narrow of regular cigarettes. Call it "black" - and now, menthol and exotic blend smokers seem cool, but still members of the Marlboro quiet macho clan. Make it cheaper where you can, too ...

Just as a reminder, Marlboro is historically a military brand, employing symbols evocative of medals and a frontier mythos. In that context, "black ops" are not just mavericks but the higher functioning members of the military ...