T was a programming language created by
OlinShivers,
JonathanRees,
KentPitman,
NormanAdams, et al. and based on
SchemeLanguage.
A full, detailed history is available at
http://www.paulgraham.com/thist.html.
What are people going to name new languages when all 26 letters of the alphabet are used up? Greek? (beta, gamma, etc.) "Beta entered beta testing today. You can download it at www.betabeta.foo. For highlights on why it's so great, go to wwww.betterbetabeta.foo".
They'll use unicode characters.