Share this: Welcome back, Twitter. This week’s “Thursday Night Football” game between the Arizona Cardinals and San Francisco 49ers will be the third NFL game this season to be streamed live on Twitter, which means you won’t have to think outside the box much to watch the live stream. Depending on your cable provider, NFL Network subscribers also can watch the game online, and Verizon users can stream the game on the network’s NFL Mobile app. Both teams have started the season 1-3. That’s certainly a surprise for the Cardinals but not so much for the 49ers. Neither team will get much help this week, as Cardinals quarterback Carson Palmer already has been ruled out of the game with a concussion, and the 49ers