"At open-source speaking events, Microsoft representatives
generally try to establish a world view sympathetic to their own by
talking as if the accepted distinction in the open-source arena is
between commercial and non-commercial. That definition is
inaccurate and its intent is to damage.
"The true distinction is between proprietary and
non-proprietary. The false distinction between commercial and
non-commercial is designed to imply that only proprietary software
is acceptable commercially -- that is, companies should keep buying
the proprietary stuff and leave the non-proprietary to
"It's a clever sleight of hand but, fortunately, invalid. The
true distinction is between proprietary and non-proprietary, and
here non-proprietary can be just as commercial as proprietary -- in
fact, in classical free-market terms, even more so."