During Kevin Roose's now-famous two-hour conversation with Bing's Sydney persona, the AI at one point insisted the current year was 2022 and tried to convince him his belief that it was 2023 was based on false information. Sydney told him his clock and phone were wrong, his memory was unreliable, and he should trust the AI's version of reality. The transcript caused global headlines and led to Microsoft adding guardrails within days.