President Trump’s plans to build a wall is only the latest in a long line of attempts to close the U.S.-Mexico border. But originally, these attempts were never meant to fence out Mexicans. Instead, they targeted a completely different group of immigrants.

Digital technologies are transforming the business world at a manic pace, and digital leadership is one of the latest buzzwords in face of the challenges caused by digitization. But does such a thing even exist? And if it does, what exactly does it mean?