I use 'kk' a fair bit to indicate acknowledgement, over affirmation. Your phone idea might be on the right track tho - for those of us who are so old that we u

I use 'kk' a fair bit to indicate acknowledgement, over affirmation. Your phone idea might be on the right track tho - for those of us who are so old that we used SMS before T9 was invented, typing 'kk' would be way quicker than 'ok'. Just a thought.