>This morning, at the convenience store, a dude, mid- to
>late-20s, was in line wearing a Rollie Fingers mustache and a
>plaid short-sleeve button-down shirt about three sizes too
>small, and I thought to myself, "that must be a hipster."

Man, if I could describe a hipster to you, that'd be my choice of attire/facial accoutrement

>But
>you're talking about homebrew and cameras, and I don't know
>how that fits together.

There's some overlap. Some, but not all, hipsters are into extremely vintage stuff and the maker movement.