You see common Kinetic Typography when movie credits zip by as you sit in a darkened theater. btw, Its much more difficult to add floating notes during the film itself, like those sliding rules in 'Zombieland'. (a fun movie, if you can stand gooey gore.)
Below is a narration enhanced with active letters.
A person named Chris did the kinetic typograph above,
using the villian's speech from 'V for Vendetta';
a movie w/ Hugo Weaving & Natalie Portman, kinda
'Black Swan meets the bad guy from The Matrix'...
This next flight of word & letter fancy is
called 'X versus O', by
Reminds me of those Sesame Street bits, but for adults.
* Hope you've enjoyed these very moving letters... ;-)
for TT's 'letter' day