Adidas, a company that started off with a core vision to support athletes, has always been true to its positioning that is highlighted by the old Adidas slogan, “Impossible is Nothing.” Adidas changed their slogan to “Adidas is All In” in 2013. The “Impossible is Nothing” slogan was one of the greatest slogans for a sports brand and is already part of my 40 Best Advertising Slogans of Modern Brands post that I wrote a couple of months back. A great brand or a company slogan lays out the complete brand philosophy in just one small phrase: it should explain what is the reason behind the very existence of a brand. Though overshadowed by Nike and other sports brands in recent decades, Adidas is a super brand that exists to support athletes in its core sense; and the Adidas slogan did justice to what the brand stands for. Before anyone…