Politics aside, Donald Trump’s ability to hold the attention of an audience and indeed a nation is undeniable. It’s a quality that anyone who has done public speaking, be it to a stadium or to a boardroom, would be envious of. To figure out what makes Trump so hard to ignore, VICE News spoke to Dr. Jennifer Mercieca, a professor and historian of political rhetoric, and Mark Liberman, a professor of linguistics and computer science. Both have studied Trump’s speech extensively and together they provided us seven signatures moves Trump uses to engage an audience.