A box of old scarves, a stack of record albums, a favorite lamp from the 1970s, and a gently used walker may not look like much at first. On Facebook Marketplace, they can become money in a wallet, a memory shared with someone new, or the start of a useful local connection. Facebook can feel noisy, but Marketplace is built around a simple idea: people nearby buy and sell everyday items. For many older adults, it offers a practical way to find low-cost products, clear out a cl