From Berlin, Eoghan O’Hara is coordinating a publicity campaign to sear his company’s sky-blue branding into Irish retinas. “Brilliant, I’m glad you saw them,” he said when I told him about walking through the LED billboards at Dublin Airport on my way through Terminal 1 for my flight to the German capital. “And we’ve got the double-decker buses at the moment in Dublin,” he told me, “We’ve got the rail bridges on Pearse Street and Tara Street station. So we are really pushing it.” Over the summer there was a radio campaign too, and innumerable podcasts and news hits. O’Hara…