Okay so I am totally new to Iphone. I just got the Iphone 4, and I know we have a zillion threads about Jail breaking, and I'm sorry if this has been asked and covered, but I wanted to know what are the huge benefits to jail breaking? I see changing the whole look of your phone is one, and downloading apps that Apple doesn't approve and Facetime using 3G are all pluses. Though, I don't know anyone now who uses Facetime that I would talk too. So what are the other benefits? Also, being new to it all, if I jail break, does that mean any other future apple updates which may fix bugs or improve the phone is not possible unless I forgo the jail breaking? Furthermore, will I be able to use Itunes to sync my Iphone still, by adding music and videos? Also, when charging, I usually sync with my Mac, so will I have to stop doing that or set some setting to keep it from updating my iphone?? Again, I am sorry if this has all been covered, but the questions I asked, I have never seen answered or I missed the answer somewhere? Thanks in advance for those who are willing to help a fellow (new) Iphone user.