They uploaded a prank video to YouTube for their family members. Seven years later, they have more than 45 million followers Posted byMarch Violante December 18, 2021 Leave a comment on They uploaded a prank video to YouTube for their family members. Seven years later, they have more than 45 million followers Sisters Karen and Leslie Velázquez belong to Los Polinesios, one of the most popular YouTube channels in the world, and they tell us what it is like to be digital entrepreneurs.