Only that future generations will have an unprecedented amount of firsthand data (in 140-character bites) about what people from every corner of the world were doing, thinking and feeling at every moment starting four years ago.

CNN: Who said tweets are trivial?

Americans in general still have trouble thinking of a gypsy as a member of an ethnic group, rather than a stock character in a film set in Transylvania.

ECONOMIST: Gypsies in America