Some good old fashioned phone trolling:
Phone trolling was so personal, it was great because The feedback was instant and measurable. Until internet troll-analytics is invented, it will be difficult to ever do anything but guess at the response your clever typed message evoked.
The most advanced troll ever would have been if someone called up and mentioned something about 7 round magazines… only to have it come true slightly over 22 years later. We could call it Looper-Trolling.
Hat tip: Cyl