backwards compatibility

Today when I picked Caroline up at school, she was excited to report on the day's events.

"Today. We. WATCHED MOVIES. Buuuuuuut, get this, it was not a DVD or on a computer. I don't even know if you've ever heard of this. It's amazing!"

I waited with bated breath to hear about this fantastic new form of media!

"The movies were played by a special machine..."

I waited with more bated breath!

"The movies were on something called..."

She leaned in close, and her eyes were sparkling like she was about to tell me she cracked the geographic coordinates to Santa's workshop. Then she whisper-yelled it.

"It's called FILM!"