Electoral campaigns have increasingly used social and digital media to reach voters. Politicians like Donald Trump, Narendra Modi, Justin Trudeau, and Emmanuel Macron have successfully used platforms like Facebook, Twitter, Instagram, YouTube, and more for campaign messaging, fundraising, and gauging support. While social media was used in political campaigns before, its importance has grown since Donald Trump's 2016 election when he heavily utilized Twitter. Digital advertising is projected to surpass TV ads and will be more targeted and personalized thanks to advancing data and AI technologies.