[tame]

but I thought it required permission from the film maker/producer beforehand?

i've always believed i could play a movie at my place and invite anyone over to watch. sue me.

[nuconvert]

"i've always believed i could play a movie at my place and invite anyone over to watch."

Yes, in your home would be referred to as a "private" showing.

The post makes reference to "someone rented out a conference room in a Hotel and got 1000 people to watch."

That's a "public" showing. And you do need permission for that.