In the first chapter, Urka Vrabič Brodnjak, Ph.D., Deja Muck, Ph.D., Helena Gabrijelčič Tomc, Ph.D., and Igor Karlovits, Ph.D. provide a review of the many facets of printed smart labels in packaging, including the categorisation, materials, techniques, environmental impacts, applications, and future trends. In the second chapter, Maja Klančnik, Ph.D., Helena Gabrijelčič Tomc, Ph.D., Diana Gregor Svetec, Ph.D., Marica Stareinič Ph.D., and Tatjana Rijavec, Ph.D. give an overview of electrically conductive materials, fibres, inks, and printing solutions. In the third and final chapter, Umit Y. Ogras, Ujjwal Gupta, Jaehyun Park, and Ganapati Bhat compare FHE systems-on-polymer with traditional systems-on-chip.