Filed under: CellphonesHistory buffs and cellphone aficionados, take note: a couple of wireless picturephone prototypes (circa 1993) have recently been acquired by the Smithsonian's National Museum of American History and should soon be available for all to gawk at. Reportedly, the institution joined with Daniel A. Henderson to get ahold of the two devices and related documentation, which were built to take advantage of a picture / video receiving technology known as Intellect. Notably, this ain't Mr. Henderson's first time donating wares with varying levels of historic