"Gervase Markham, the Mozilla Foundation's licensing officer, in
an article in the Times Online, talks about being questioned by a
northern UK Trading License Officer about giving away software.
"The trading officer was concerned by a group that was burning
the free Mozilla Browser on CDs and selling it. She was expecting
Gervase to object to their scheme; but he didn't and 'wrote back,
politely explaining the principles of copyleft--that the software
was free, both as in speech and as in price, and that people
copying and redistributing it was a feature, not a bug. I said that
selling verbatim copies of Firefox on physical media was absolutely
fine with us...'"