The Spanish start-up nsign.tv has announced a series of updates to what it calls its omnichannel communication platform. A Barcelona-based spin-off of Netipbox Technologies, accelerated by the incubator Lanzadera, nsign.tv says its platform is already being used by more than 150 companies in 25+ countries., including Ikea, Areas, Nespresso, Coca Cola, Haribo, Unilever, Revlon, P&G, Domino’s …