AI models are trained on data, and better data helps make better models. Likewise, it’s hard to develop worthwhile models with bad data. So what happens when it grows more difficult for AI-based bots to scrape the web and more of the available data is generated via AI in the first place? For NYT’s the Upshot, Aatish Bhatia imagines a feedback loop of numbers and letters that grow fuzzier with each generation.