well i have ipad 2 jailbroken .. i want to use my ipad as a wifi drive. ist: i have a plenty of apps..so which is best to buy good reader or readdle docs or air sharing or ifiles or using cyida ifile??? 2nd: and most most important...to connect a mac or pc to ipad2 as wifi drive to upload or download files..do they must be connected to the same wifi network???? or mac can be connected to a wifi network and ipad to another ipad network and i write the url or bonjour of ipad on mac and it will access it..this is particularly if a)im at work with mac and ipad is at home or vice versa or b)i have 2 different networks for mac and ipad or c) i have a mac with wifi and ipad with 3g so do the mac and ipad have to be connected to same wifi network to allow the transfer between them 3) what is VPN ..can it be used to connect mac to ipad?? and what is really bonjor??