At Ogilvy Paris, they are sure that testing their ideas can occasionally help them improve them. But for anyone who’s struggled through a particularly difficult round of focus groups, sometimes it can seem like even an idea as splendid as Christmas might barely limp its way across the testing finish line. So whilst they can’t wish you a Merry Christmas, here’s to a holiday season full of good spirit and to another year in search of brilliant ideas…that make it through testing.