Very good. The 25->8 word exercise was a good little demo. Though I smiled when I saw "if you can spell ... int main(int argc; char* argv[]);" -- his first sem

Very good. The 25->8 word exercise was a good little demo. Though I smiled when I saw "if you can spell ... int main(int argc; char* argv[]);" -- his first semicolon should be a comma in C. Also: the world is (more or less) spherical, not round. :-)