Casinos have finally found something people are more addicted to than gambling: Their phones and social media. So MGM is introducing a once unthinkable rule change to the casino floor. “The new policy is aimed at allowing our guests to take photos and videos, and, when appropriate, to share that content in real or in near real-time via social media broadcasts. MGM Makes Player-Friendly Las Vegas Strip Gambling Rule Change. The house always wins, except when it comes to our phone obsession, when no one does.