San Francisco's trinket trade boxes turn sidewalks into tiny community hubs

The Keychange Exchange on Pine Street. Photo: Nadia Lopez/Axios Across San Francisco, colorful, decorated boxes stuffed with trinkets are popping up on street corners and on sidewalks, turning ordinary blocks into miniature trading posts. The big picture: From the Outer and Inner Sunset to Noe Valley and the Castro, small trinket trade boxes stocked with everything from rings and rubber ducks, keychains, baseball cards, tiny ceramic animals,...