is really cool and interesting
is probably more common amongst creative LJ users than the general public
has to do with learning to read at a very young age.
was influenced by the color of fridge magnet/flash card representations of letters/numbers when i was learning to read.
is a myth and no one really visualizes language in any other colors than black-on-white
is a myth because no one really visualizes language they hear or think about.
must be fun and i wish my brain worked that way
influences what color(s) of pen I write with
influences what color(s) of clothing I wear.
Something else I might explain via a comment.