If there is one negative aspect of Apple's iPad, it's the distinct lack of any form of user management.
For a device that Apple sells as a real computer, and one that the whole family can enjoy, it's almost a travesty that Apple never thought to add any system for managing more than one user. What if you want to have all of your Gmail, Facebook, and Twitter accounts signed in 24/7, but your wife or husband also wants to use the iPad? Currently, the only way to manage such a situation is for people to sign in and out of various accounts constantly.
"Our Pad" for iPad aims to fix that particular issue, and for the current price of free, it's got to be worth a shot...