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Analysis reveals declining confirmed updates from 10 in 2021 to 4 in 2025 while perceived volatility reaches record-breaking levels across algorithmic earthquakes.

Google published official documentation for Business Profile review links and QR codes on December 31, ending months of unofficial feature usage.

Large language models reshaped news consumption patterns starting in August 2024, but publishers who blocked AI bots experienced worse outcomes than those who didn't, according to research published December 31, 2025, by Rutgers Business School and The Wharton School.

Google completes its third core update of 2025 on December 29 after an 18-day rollout marked by significant ranking volatility and traffic losses for publishers.

Digital marketing podcast recognizes Anthony Higman, Glenn Gabe, and Barry Schwartz while celebrating memes, rants, and platform battles that defined advertising technology's most tumultuous year.

Google integrates Gemini 3 frontier model into search on December 18, 2025, enabling dynamic interface generation and real-time simulations for complex queries across millions of users.

Google's third core update of 2025 devastated Discover traffic for news publishers during peak holiday season, while OpenAI signals advertising ambitions and major ad tech consolidation reshapes the competitive landscape.

Microsoft confirms exact match keywords override ad rank in search auctions, fundamentally changing how advertisers compete against Performance Max campaigns.