Signal Archive
A searchable repository of all past platform updates and AI visibility signals, organized by month and year.
Google Business Profile Enforces Strict Review Policies
Google is systematically enforcing new and existing Google Business Profile policies, targeting manipulative review-gathering tactics and increasing the importance of profile freshness, creating significant operational liability for local enterprises.
LinkedIn Algorithm Shifts to Devalue AI-Generated Content
LinkedIn's new AI-powered algorithm, '360Brew', is reportedly de-prioritizing generic, AI-generated content and rewarding authentic, expert-driven contributions.
OpenAI Releases GPT-5.5 Frontier Model
OpenAI has released GPT-5.5, its first fully retrained foundational model since GPT-4.5, introducing native omnimodal capabilities and significantly improved reasoning to compete with top-tier rivals.
DeepSeek V4 Model Nears Imminent Launch
Multiple reports indicate Chinese AI firm DeepSeek is preparing to launch its V4 model in late April, a trillion-parameter model expected to be highly cost-competitive.
Anthropic Launches Claude Opus 4.7
Anthropic has released Claude Opus 4.7, its new flagship model, featuring significant improvements in agentic coding, complex reasoning, and visual understanding.
Google Toughens Google Business Profile Review Policies
Google has implemented stricter content policies for Google Business Profile reviews, explicitly banning incentivized reviews, on-premise solicitation, and other common manipulation tactics.
Google Search Volatility Increases Mid-April
Multiple SEO tracking platforms are reporting an increase in Google SERP fluctuations, indicating a possible unconfirmed algorithmic recalibration is in process.
TikTok Prioritizes Follower Engagement for Reach
A fundamental TikTok algorithm change now tests new videos with an account's existing followers first, making follower engagement and high completion rates essential for reaching the 'For You Page'.
LinkedIn Algorithm Devalues AI-Generated Content
LinkedIn's new '360Brew' algorithm is reportedly causing significant reach reduction for generic, AI-generated posts, while prioritizing content that signals deep, authentic expertise and encourages meaningful conversation.
DeepSeek Secures Funding Interest at High Valuation
Chinese AI startup DeepSeek is in funding talks with Tencent and Alibaba at a valuation reportedly exceeding $20 billion, while simultaneously releasing open-source AI infrastructure tools.