Industry 4.0Benefits of digitization for small and medium-sized enterprises

Many small and medium-sized companies in the metalworking industry are confronted with a constantly changing market environment. Marketing often touts new or even disruptive technologies under terms such as "digital transformation" or "Industry 4.0". They are supposed to revolutionize entire sectors of the economy from the ground up - but what is really behind the "Industry 4.0" hype and how can small and medium-sized companies also benefit from this trend and prepare for the future?