I like to hold a book. When someone sends me a script, I ask for a hard copy or print one out.
When playing a role, I would feel more comfortable, as you're given a prescribed way of behaving. So, both Facebook and theatre provide contrived settings that provide the illusion of social interaction.
The best preparation for acting is life - observing life and people and observing yourself. All that becomes your library. So when you have to research a part, a scene or an emotion, you go into the library and get what you need.