HI, Sorry if this has already been answered. I use a Mac at home and have an iPad and iPhone 4. In work I use a Win 7 PC and MS Exchange. I also have a iCloud account. I want to do the following but am unsure 1) if I can do it and 2) how best to set it up... Contacts: I need my contacts to sync via my PC at work which is connected to MS Exchange. If I add a new contact to any of my devices, I want this pushed to iCloud and then to all my other devices. Calendar: Same as above - need it to sync with my PC and Exchange. Bookmarks: I want bookmarks to sync with my Mac at home. Photos: I want this to sync with Aperture on my home Mac. Is it possible to do this? Can I have 2 different machines (my Mac and my PC) both syncing with iCloud without affecting eachother? I have a fear that the whole thing will get confused and I will end up losing information! Hope you can help.