PayPal's "Send Money" is a new app on Facebook that lets you send money to your friends and family. Until now, it has never been so easy to send money to friends and family via PayPal. Since just about everyone has a Facebook account now, this is not only convenient, but also makes perfect sense. Along with the money that you choose to send, you can also choose to include a customized greeting card. This adds a personal touch since you can include a short message, image, and video. There's ...