Harris' strategy hasn't changed since Biden — but now the trolling is working

• Kamala Harris appears to have transformed the Biden campaign into a ruthless trolling machine.
• But it's the same digital team and strategy, political sources told BI.
• The same tactics are getting more attention, thanks to who's at the top of the ticket.

Straight out of the gate, Kamala Harris' campaign strategy has felt scrappy and fearless, decked out in Charlie XCX greenery and winking at self-referential memes.

But despite feeling like a huge departure from a more austere operation under Joe Biden, it's actually not, political strategists told Business Insider.