Cam Fuller: Box office changes could lead to popcorn purgatory

Have you ever noticed that sentences beginning with “For your convenience” aren’t convenient at all?
For your convenience, we no longer take cash.
For your convenience, winter will be extended three months this year.
For your convenience, it will rain on your yard sale.
For your convenience, all flights will now be overbooked.
For your convenience, yesterday’s headache will be held over to Friday.
I made those up, but the next one is real: “For your convenience, tic