I'm thinking of jailbreaking my 3gs. I'm running os 4.2.1 Here is the thing... I am not tech savy at all, so I am finding the whole topic of jailbreaking and how to do it to be confusing. Can any one explain this concept and how to do it in non-tech terms? lol Also, is jailbreaking safe? I've heard it lets people hack into your phone and voids the warranty. I've had my phone for almost 2 years now, so I'm sure whatever warranty i got when I bought it is over by now. Thanks!