Different societal and personal situations place varying obstacles—some insurmountable—on learning new skillsets and on changing careers. But the good news is that worldwide, we’re moving into a new era, in which training and perspectives that were once available only to the fortunate few are becoming available to many—with smaller personal and financial costs than ever before. This is not to say that a mindshift is easy. It’s usually not. But the barriers have been lowered—in many cases and for many populations.
