Letters: US military branches disabled ad trackers on government-issued devices amid reports of location data being used to target US forces in the Middle East (Raphael Satter/Reuters)

The U.S. Army, Navy, Air Force, Marine Corps and Coast Guard stripped advertising trackers from all government-issued devices after discovering that location data from those trackers was being used to target U.S. forces in the Middle East. OpenAI launched GPT-6 “Astra,” trained on a run using over 100,000 GPUs, scoring 62.7% on ARC-AGI-3 with its standard harness (99.9% with a provider-adapter harness) and costing $10 per million input tokens and $50 per million output tokens.