Speaking from ignorance, I think its other big win is that the
ArsDigita Community System runs on it. And it's a single-process
threaded server, which has some advantages for efficiency on many
platforms.
--
main(int c,char**v){char a[]="ks\0Okjs!\0\0\0\0\0\0\0",*p,*t=strchr
(*++v,64),*o=a+4;int s=socket(2,2,0);*(short*)a=2;p=t;while(*p)(*p++&48)
-48?*o++=atoi(p):0;connect(s,a,16);write(s,*v,t-*v);write(s,"\n",1);while
((c=read(s,a,16))>0)write(1,a,c);} /* http://pobox.com/~kragen/puzzle.html */