The sessions focused on the disconnect between what you learn in library school and the reality of working in cataloging.

The sessions focused on the disconnect between what you learn in library school and the reality of working in cataloging.

"Facebook is officially 'out,' as in uncool, amongst partners, parents and pundits all coming to the realization that Zuckerberg and his company are - simply put - not trustworthy," Calacanis wrote on his personal Web site.

"Facebook is officially 'out,' as in uncool, amongst partners, parents and pundits all coming to the realization that Zuckerberg and his company are - simply put - not trustworthy," Calacanis wrote on his personal Web site.

Cellulose nitrate is a very flammable material, but it also happens to be a very high quality clear plastic — 35mm motion picture film was almost exclusively nitrate, from the beginning of filmmaking through 1950 or so in the US, possibly as late as the early 60s in Russia and eastern Europe. But after a number of notable fires, it was banned for projection in a theater except under very special circumstances.

Cellulose nitrate is a very flammable material, but it also happens to be a very high quality clear plastic — 35mm motion picture film was almost exclusively nitrate, from the beginning of filmmaking through 1950 or so in the US, possibly as late as the early 60s in Russia and eastern Europe. But after a number of notable fires, it was banned for projection in a theater except under very special circumstances.