EverNote is an application/service which lets you capture, store and sync anything on multiple devices. EverNote works on any OS, whether PC, Mac or phone and can capture anything you throw at it, from notes, to images, media or passwords. All your information is stored in the program and you can use tags and notes to categorize it.
Now that we can access the internet from almost anywhere and any device the difficulty is getting access to your information all at once. It can be store all online or you can keep everything synced up on all your devices.
If you have EverNote installed on your devices, all it takes is having an internet connection and pressing the 'Synchronize' button from the menu, to ensure that you have the same information stored on all devices.
EverNote is a very promising application that captures, stores and syncs any sort of information on all your devices.