"If I were to ask you what the world's most largest open source
firm was, how would you answer? Red Hat, perhaps, because they're
the first pure play to get within hailing distance of a billion in
revenue? MySQL, because they were valued at a billion? IBM?
"The obvious definitional challenges of the question aside, I
would personally pick none of the above. Far and away the biggest
open source business that I've seen is Google, which went from $0
to a $181B with a B market cap in 10 years..."