Which presidential campaign pioneered the use of sophisticated data analytics to personalize merchandise offerings to specific voter segments based on their donation history and engagement patterns?

Throughout modern political history, campaign merchandising has evolved into a sophisticated retail operation. From simple buttons and yard signs to complex e-commerce platforms, political campaigns have pioneered innovative retail strategies to both fund operations and spread their message. This trivia question explores a groundbreaking retail innovation from a recent presidential campaign that changed political merchandising forever.

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Barack Obama's 2012 re-election campaign
Donald Trump's 2016 campaign
Hillary Clinton's 2016 campaign
Bernie Sanders' 2020 campaign