I've Been Doing This For Almost A Decade Now, Did I Miss Something?

That moment when your team casually mentions Jupyter notebooks in the standup and you're nodding along like you totally know what they're talking about. Ten years of development experience and somehow this popular data science tool completely flew under your radar. The tech world moves so fast that even seasoned devs have these knowledge black holes. Pro tip: Just smile and Google it later like the rest of us do. The alternative is admitting ignorance and watching the intern explain it to you with barely concealed pity.