For those who don't live in California, there are some options. I'm just going to copy/paste from the SKG Discord:

If you live in another state, or know someone who does:

• Submit your support directly to the Chair of the Senate Privacy Committee here:
  • https://lcmspubcontact.lc.ca.gov/PublicLCMS/ContactPopup.php?district=SD03&inframe=N

Everyone around the world can also help:

• Help exposure to this topic / bill. Repost/share one of these links in your circles:

  • Reddit: https://www.reddit.com/r/StopKillingGames/comments/1tqfrvm/stop_killing_games_just_passed_a_floor_vote_in/
  • X / Twitter: https://x.com/Moritz_Katzner/status/2060102034506776855
  • Youtube: https://www.youtube.com/shorts/tw1UhbaqBwA
  • Instagram: https://www.instagram.com/p/DY5bsbzpJ4N/
  • Tik Tok: https://www.tiktok.com/@stopkillinggamesofficial/video/7645067549964602647

• You can e-mail the Senate Privacy, Digital Technologies, and Consumer Protection:

  • SPDTCP.Committee@sen.ca.gov
  • And express your interest and support for this bill on an international perspective.