RiderExMachina, 8 months ago Almost certainly it originated from pen and paper shorthand. The internet has a lot of history in regard to it potentially being due to T9 slang, but I remember it being shown to me before cellphones were in wide use.
Almost certainly it originated from pen and paper shorthand. The internet has a lot of history in regard to it potentially being due to T9 slang, but I remember it being shown to me before cellphones were in wide use.