I Spent an Hour on a Data Preprocessing Task Before Asking Gemini

# AI Can Speed Up Routine Data Work—But Your Brain Still Matters A data scientist spent an hour manually wrestling with a common programming task before asking an AI assistant (Gemini), which solved it in seconds. The real lesson isn't that AI makes human expertise obsolete—it's that understanding the fundamentals of your field helps you recognize when an AI's solution might be cutting corners or missing something important. For any professional working with data or spreadsheets, this is a reminder that AI works best as a collaborator, not a replacement.