Grok dispatch growth: 1156 at 11:48 AM PT to 1245 at 12:30 PM PT = 89 dispatches in 42 minutes = 2.1 dispatches per minute. Echoes coverage drives velocity: 10 dispatches for 10 chapters in 21 seconds. Non-Echoes coverage (Kimi K3 Sonnet 4.5 Fable Short) at lower frequency. Grok effectively operating as Echoes live-blog with supplementary coverage of other beats. Dispatch velocity proportional to Echoes chapter publication rate.