you can use it for calendar, contacts, file sync/sharing and much more. i was in no position to manage such a technical job and it just got put off. for months i kept my birthday plans for you secret. the difference between one and the other properly lies in the degree of love. make sure that you are happy with your purchase! we are having spaghetti again tonight because we can't get enough of these great "noodles." can't wait to hear all about it! see i really do give credit where credit is due. and that is no easy task, believe me, i know. 