Gecko is open source. They were saying it would be good to have a new FOSS browser engine that isn’t Chromium or Gecko to add some competition to the mix

The EMP greatly impacted Godzilla’s atomic breath. It’s why it was so much weaker in the first movie compared to the sequels. Probably a retcon, but I think it fits.

It’s a “free smiley”. I think you can find an archive of them somewhere