New technology always gets applied to presidential campaigns eventually, and by definition one party will get it right first, establishing a new set of best practices that gets adopted by candidates from both parties going forward. This time it was Trump who figured out how to truly weaponize social media through narrative first, as you pointed out. The Democrats weaponizing other innovations first like TV mass media (Kennedy), big data/microtargeting for get out the vote (Obama) and even crowdfunding (Howard Dean). But these all become best practice by the next cycle. I think you’re right that we’ll see a lot more narrative driven, direct to voter social media in all campaigns going forward. The question is whether the strategy is still a winning one when all sides are using it, or does it end up like a WW I type stalemate if both sides are suing the same tactics