Temporary Services was in town at the end of March. They are a Chicago group which perform “services.” (Service as art, or as a social good which artists produce, was described and debated by Andrea Fraser and friends in a mid-1990s conference in Europe). Temporary Services make many ‘zines, little booklets and brochures on various topics, in accelerating profusion. Their many recent shows around the world have been basically about “servicing,” and then making a ‘zine and pushing it out. Now they have svelte, lozenge-shaped ‘zine dispensers to give these things away – forms that recall Artschwager crossed with Gonzalez-Torres. That’s artistic form both material and social…