Microsoft's answer to DropBox or Google Drive is called SkyDrive, now with the whole new Metro interface. We will sign in to the service, download and install sync app for your Windows computer.
Nokia released the Here Maps app for iOS devices. You can use as a turn-by-turn navigation, search for interesting places, buses and plenty more for free. This is how you install it on your iPhone or iPad.
If you experience an Mac OS X program to freeze and you cannot exit it by clicking quit or using a keyboard shortcut, you can always force it to quit using the Activity Monitor.