Was this the first time you hooked up the iPhone 5 to the laptop
Yea it's true...the iPhone 4 for AT&T is GSM only not CDMA...so it will not work for Verizon
Simply HDR is one that I use
Yes just download the Skype app from the AppStore...FaceTime is for iOS devices only (iPhones, iPads, iPod Touches and MacBooks).
Yes those apps use data
Separate names with a comma.