The "America Innovates" expo is exactly the kind of event San Francisco should be hosting more of — a celebration of ingenuity, entrepreneurship, and the kind of forward-thinking energy that made this city a global tech capital in the first place. And the best part? It won't cost you a dime to walk through the door.

Fort Mason is the perfect backdrop for this. The venue has long been one of SF's most versatile public spaces, and filling it with innovators, builders, and thinkers for a weekend feels like a return to form for a city that's spent the last few years better known for supervisorial squabbling and budget deficits than breakthroughs.

We don't have full details yet on the exhibitor lineup, but the premise is straightforward: showcase American innovation across industries. Whether that means AI demos, clean energy tech, biotech breakthroughs, or good old-fashioned hardware tinkering, the concept is sound. Innovation doesn't come from government grants committees or five-year strategic plans — it comes from people solving real problems, often in garages and co-working spaces, long before any bureaucrat gives them permission.

If you've got a free afternoon (or three) next weekend, it's worth swinging by the Marina and seeing what's on display. Free events that actually celebrate building things rather than regulating them are rare enough in San Francisco that they deserve your attention.

The expo runs Friday through Sunday at Fort Mason Center. Again — free admission. In a city where a mediocre sandwich costs $18, that's innovation in itself.