in reply to
The sportiest activity that I do regularly is best categorized as...
Thanks go to ambrus for inspiring this poll, though I opted for fairly broad categories because I couldn't stop thinking of more specifics to add to ambrus' fine list of specific sporty activitiies.
Does a Frisbee(tm) count as a ball or a projectile?
A Programming Language, 1962
Programming the 1900 series in COBOL, 1974
Algorithms + Data Structures = Programs, 1976
The C Programming Language, 1978
System V - Interface definition, 1986
Z80 Assembly Language Programming, 1979
TheSOURCE User's Manual, 1979
The C Primer, 1983
Interactive Fortran 77, A Hands on Approach, 1984
Perl.1 man page, 1991
Results (55 votes),