A paper written as a result of a Master’s thesis project of Information Processing Science student MSc Juha Häikiö in supervision of Prof. Minna Isomursu has been nominated as the most impactful paper of ACM MobileHCI 2007 at the MobileHCI 2017 conference in Vienna, 7th September. The paper is called ”Touch-based user interface for elderly users.” It presents and evaluates implementation of meals-on-wheels service for old adults, which used touch-based user interface technology. The research was carried out in the context of ITEA SmartTouch project in collaboration with VTT.