Quickly Enable & Access Lion’s AirDrop File Transfer with Command+Shift+R

Remembering a keyboard shortcut makes using AirDrop even easier, by quickly accessing the AirDrop window and enabling the Mac to be ready to accept or send files.
The AirDrop keystroke is Command+Shift+R to instantly bring up the AirDrop window from anywhere on the Mac OS X Lion desktop.
Remember that all Macs must be in the AirDrop window in order to work with each other. The shortcut should work with AirDrop on unsupported Macs as well.

In Safari the shortcut “Command+Shift+R” opens the “Reader”
Which is why you have to do this from the Desktop