AI, ML, and networking — applied and examined.
Day: <span>January 20, 2026</span>
Day: January 20, 2026

Hardcoded Logic is Dead: X Just Swapped Its Recommendation “Brain” for Grok

X (formerly Twitter) has open-sourced its core algorithm again, removing all hand-engineered features and handing ranking over to the Grok model. This isn’t just a technical upgrade; it’s a “dimensionality reduction attack” on the field of recommendation algorithms.