Launching a new Substack called Transcribed w/ @JessicaCecil. Jess is a friend and a seasoned media exec who spent years at the BBC, where she was Chief of Staff to four Directors General and helped lead the organisation through major shifts in how audiences engage with technology. She built global partnerships in response, including Make It Digital, which led to the BBC micro:bit, now used by 60 million children in more than 60 countries to learn coding. She went on to found the Trusted News Initiative, a coalition of major tech platforms and global news organisations including the BBC, Reuters, Meta and Google, created to counter the most harmful forms of disinformation in real time. Before that, she was a senior producer on Newsnight, an Emmy-nominated documentary maker, and began her career producing reports on everything from the fall of the Berlin Wall to conflicts across the Middle East. Over the past few years, Jess and I have had ongoing conversations about where media is heading as technology, especially AI, continues to evolve rapidly. Those conversations now form the basis of Transcribed, an experimental publication exploring how media is changing, the forces driving that change, and what it means for society. Our first piece explores system prompts, the invisible editorial layer that shapes the worldview of language models: transcribedmedia.substack.co…