If you're not a believer in software patents (and assuming FB won't sue you for any unrelated patent infringement you'd want to retaliate for), attaching doomsd

If you're not a believer in software patents (and assuming FB won't sue you for any unrelated patent infringement you'd want to retaliate for), attaching doomsday patent clauses to OSS software actually seems like a pretty good way to shut down software patent lawsuits.