"If Tom Tom or any other company cross licenses patents
then by section 7 of GPLv2 (for the Linux kernel) they lose the
rights to redistribute the kernel *at all*.
"Microsoft has been going around and doing these patent cross
licensing deals with companies under NDA's so they never come to
light for *years*.
"That was the whole point of the Novell deal - Microsoft lawyers
finally thought they'd found a way to *publicly* do these cross
licensing deals and get around the GPLv2, but the GPLv3 put paid to