This Week in Marketing • Troy Ruhanen says Omnicom’s consolidation is about relevance, not legacy. • Arthur Sadoun claims the classic holding-company era is officially over. • The Drum unveils its Class of 2025. • Rethink's Aaron Starkman argues indies matter more than ever. • Spotify Wrapped 2025 turns data into personal storytelling. • Mark Ritson pushes for stronger action on Meta’s scam-ads.