News Summary

• ChatGPT has been running ads for less than six months, but it’s fueling a category expected to capture almost 40% of search revenue and generate $100 billion in revenues by the end of this decade.
• Total search revenue will make up 21.8% of total global ad revenue this year.
• The u.s. currently dominates AI search, accounting for 60% of global AI ad spend.
• Despite rosy predictions for ad spend growth this year, Madison & Wall project a gradual slowdown in annual growth — to 5% by 2028.