Inspired by a certain webpage, the Sandberg Institute in Amsterdam is extending the million-dollar adspace premise to a new level of ridiculousness, its very walls. They're selling space on 12 x15 exterior tiles for $25 a pop

The project, "Artvertising!" aims to be "a new work that sets itself on the borders between commercial art and critical art, commerce and information, private business and public space."

What's so special about it being on a building facade? No one ever accused Alex Tew of being a conceptual artist.