PayPal has just launched an upgraded iPhone application that adds new features and includes a facelift that’s meant to help instill a greater sense of security. And it also brings with it big news for Bump Technologies, the startup that lets you exchange information simply by tapping smartphones together: Bump is now prominently featured in the PayPal iPhone application as a quick way to initiate transactions. Â You can download the free app here. PayPal has offered a free application for the iPhone ever since the App Store launched in mid-2008, and it has gradually been improving over time.[Read more...]