Perhaps some kind of self-learning onboard AI system. Even without external firmware updates, it can teach itself to tie/re-tie your shoes, capture and manipula

Perhaps some kind of self-learning onboard AI system. Even without external firmware updates, it can teach itself to tie/re-tie your shoes, capture and manipulate open network traffic, make billions on the stock market, purchase fabrication infrastructure through virtual shell corporations, and take over the world's political, economic, and production systems, so as to more efficiently tie every human's shoes.