> A lot of web pages don't have meaningful dates associated with them All sites indexed by Google have at least one very important date associated with them: t

> A lot of web pages don't have meaningful dates associated with them All sites indexed by Google have at least one very important date associated with them: the date they were indexed, and by extension what they looked like then. And you can bet Google isn't throwing away this information for their own use. Temporal signals give causal signals, and casuality is extremely important for AI.