A demonstration of the iPhone App 'How fresh is your fish?' was given by Prof. Joop Luten (Nofima, Noway) at the fish retailorshop 'Kaikanten' in Tromsø upon request of Tromsø news paper. The video shown below was made by Knut-Erik Lindblad. The original (without English subtitling) is published at the newspaper website. Several other Apps developed in Tromsø were described in this journal. Click here for article about all Apps developed in Tromsø. Click here for downloading 'How fresh is your fish?' iPhone App.