Astoria, Queens.
In a huge breakthrough, the world's music companies have created a low-cost mix-CD service with access to every song ever recorded. During this soft-launch period the service is only available through a guy in Queens who hand-stencils his ads.

Ruavista has loads of photos for the street- and sign-obsessed, including thorough coverage of advertising on the trees of Buenos Aires. Via New Things, which is always coming up with new things.