Description: [caption id="" align="aligncenter" width="370" caption="Square House, Man, Child, and Dog on Lawn, ca. 1855, by Unknown photographer, Daguerreotype with applied color (1/2 plate), Smithsonian American Art Museum, Museum purchase from the Charles Isaacs Collection made possible in part by the Luisita L. and Franz H. Denghausen Endowment, 1994.91.234."][/caption] Often we are
Description: [caption id="" align="aligncenter" width="350" caption="Fingers typing, by Simon Steiner, Creative Commons: Attribution 2.0."] [/caption] You know that sinking, then maddening feeling: you need to find something you’ve carefully put away, but can’t remember where you’ve stored it or how you characterized or labeled it. That common problem, when it’s blown up to institutional