Hopefully it will do the screen magic also this time, if you still want to give it a try. :)

So those people that sign up for a real Mars mission - without a ticket back home - do they really know what they get themselves into? Obviously, there won't be any internet or skyping with the family back home.
Skyping no, but Internet, why not. Only what limits them is the ability of the connection. What they would have is basically a very long-range wireless net. Those in the movie get messages from home - attachment files and all - in packages of data. I mean their families, of course, because their connection with NASA is more constant, and the last scenes on Hermes are broadcast to Earth live. As the audio channel, I mean. But why without a return ticket? They aren't colonists for Mars; they're just a research mission. First real manned flights to Mars would be the same way after all, like it was with the Moon...

You won't discourage me ;)
Not going to in the least! :D I'm all the more curious of your opinion, as someone in different situation (no book) and a tad different inclinations.

Let's talk again once I have seen it!
Waiting! Have fun!