Probably several things, but one that comes to mind: he was the first US president to appear in a "talkie" (a motion picture with sound).
1927
The Jazz Singer is the first talkie film in the world
walkie talkie---1930's beeper-----1990's
talkie
"The Jazz Singer "
motorola
Rani Zubeida
Alfred gross
the jazz singer
Alam Ara,, 1931,,
The first full length talkie came out in 1927