Proceedings of the 7th World Conference on Mass Customization, Personalization, and Co-Creation (MCPC 2014), Aalborg, Denmark, February 4th - 7th, 2014 Twenty Years of Mass Customization – Towards New Frontiers - Brunoe, Thomas D.; Nielsen, Kjeld; Joergensen, Kaj A.; Taps, Stig B. (Springer International Publishing : Imprint: Springer, 2014)