Sathy on Instagram: "Coca-Cola launched the “Share a Coke” campaign in Australia in 2011 by replacing its logo with the most popular first names. The idea was simple - make a global brand feel personal and shareable. The campaign quickly went viral, with people buying bottles for themselves and friends, and sharing photos online with #ShareaCoke. The results were massive. In Australia, sales rose after a decade of decline, with over 250 million bottles sold in a country of just 23 million people