Scoble :-
1) from wikipedia - Robert Scoble (born January 18, 1965) is an American blogger, technical evangelist, and author. Scoble is best known for his popular blog, Scobleizer, which came to prominence during his tenure as a technical evangelist at Microsoft.
Tron :-
1) (TRace ON) A command used when debugging programs written in early line-numbered BASIC that contained GOTO and GOSUB statements.
2) v. [NRL, CMU; prob. fr. the movie “Tron”] To become inaccessible except via email or `IRC’, especially when one is normally available via telephone or in person. Frequently used in the past tense, as in: “Robert seems to have tronned on us this week” or “Gee, Robert, glad you were able to un-tron yourself”.