Q: When was SIM first "tweeted"?

Although some claim that Twitter was launched in mid-2006, SIM first started to “twitter” as early as 1930. For documentary evidence, please read the second page of this unpublished manuscript about a journey that Guy Playfair and SIM General Director Rowland Bingham took across Africa from Nigeria to Kenya and back in 1930.

Guy Playfair Report

"...Mr. Playfair has been twitted because his Mission was called the 'Sudan Interior', the 'twitter' being of the opinion that they had only entered the border of the Sudan, and again was 'twitted' by another who in his inexperience of the native language, claimed there was no such a place or country as the 'Sudan'...."