With 1,000 new taps added in 12 months, A Current Affair is looking into what’s driving the massive Guinness demand in Australia. Guinness sales in Australia are surging to record levels, with single can purchases up a massive 563%. But why has this 250-year-old Irish stout suddenly become the trendiest drink down under? A Current Affair investigates the “Guinness Renaissance,” exploring how viral social media challenges like “Splitting the G,” hit Netflix shows, and a shift in demographics have turned “Mother’s Milk” from an old man’s beverage into a modern cultural phenomenon.