Signal's Whittaker Warns OS-Level AI Agents Are a Privacy Threat

At TechBBQ 2026 in Copenhagen, Signal President Meredith Whittaker warned that AI assistants built into operating systems — citing ChatGPT's iMessage integration — function as a "data collection apparatus." The trust model shifts from voluntary sharing to platform-mediated access by default, she said, framing it as both a privacy and sovereignty concern.