I just bought my 1st Ipad it is just a 16g wifi .... I figured I have an aircard with verizon for my mac pro so that is all I should need for the Ipad. Someone please tell me I did the right thing. What is the difference? Also, does anyone know HOW to delete programs /applications on the macbook? I can get them on but for example on facebook I got the so call new BETTER FACEBOOK and I hate it . how do I get it off my computer? Thx for any help!