Big Tech was moving cautiously on AI. Then came ChatGPT.

The company kept rolling out state-of-the-art technology that propelled the entire field forward, deploying some AI breakthroughs in understanding language to improve Google search. Inside big tech companies, the system of checks and balances for vetting the ethical implications of cutting-edge AI isn't as established as privacy or data security. Typically teams of AI researchers and engineers publish papers on their findings, incorporate their technology into the company's existing infrastructure or develop new products, a process that can sometimes clash with other teams working on responsible AI over pressure to see innovation reach the public sooner.