[ianstormtaylor]

It seems fairly easy to figure this out with a little thought…

When talking to a chatbot you're likely to type more words per query, as a simple measure. But you're also more likely to have to clarify your queries with logic and intent — to prevent it going off the rails — revealing more about the intentions behind your searches than just stringing together keywords.

It'd be harder to claim purely informational reasons for searching if your prompts betray motive.