I often 'hang' like I'll just sit there with my mouth open in the middle of a word or sentence... I kinda think it's like when you're watching a YouTube video and your internets a little wonky and it has to buffer... Its like that... Well that's what they can see... For me it's like showing someone a really good video on YouTube so you know exactly what's going to happen and just before the good bit you get those stupid little spinning circles as it loads and it completely ruins it.