The best content usually lives somewhere between both. If you only write about what you know without checking whether anyone is searching for it, you might create great content that nobody finds. On the other hand, chasing search trends on topics you barely understand often produces shallow content that people can see through quickly. Using free tools like Google Trends or Answer the Public helps you find topics your audience cares about, and then you add your own knowledge to make it useful. Is it better to lead with expertise or audience demand when planning content?