I am in a situation where I would appreciate the flexibility of walking into a room, connecting my sp3 to a projector-synced desktop and screen share a presentation/onenote "whiteboard" presentation. I have seen third party apps, but they require installation on both ends. Is there anything available using Bluetooth and usb that would make this simpler? Ideally I would hook my sp3 up to the projector, but I do not have that luxury. What are my options here?