What Does "Building in Public" Actually Mean in 2026?

If you've spent any time on developer Twitter, you've seen it. Founders posting their MRR. Sharing what broke this week. Documenting every step of building their product in real time. But what does building in public actually mean? And is it worth doing? This is the honest breakdown. No hype. The simple definition Building in public means sharing your startup journey openly as it happens. Not after you've succeeded. Not in a polished case study. Right now, in real time, with the messy parts incl