YouTube, the internet’s biggest streaming video platform, delivered a healthy 13.8% increase in global ad revenue for the year-end 2024 quarter to surpass $10 billion for the first time. YouTube’s record Q4 ad sales of $10.473 billion topped Wall Street analysts’ consensus estimate of $10.23 billion. That’s just one piece of YouTube’s business, not including subscription revenue from services like YouTube TV or YouTube Premium. Last fall, parent company Alphabet said YouTube’s total revenue topp...