Our own Jeff Carlson has written a piece for 500px explaining how to use your iPad to up your photography game. No, not by taking photos with its built-in camera, but by using the iPad to preview, edit, sort, and share photos, and even to control your camera remotely.follow link
Option-Click AirPort Menu for Network Details
If you hold down the Option key while clicking the AirPort menu in Mac OS X 10.5 Leopard, you'll see not just the names of nearby Wi-Fi networks, but additional details about the selected network. Details include the MAC address of the network, the channel used by the base station, the signal strength (a negative number; the closer to zero it is, the stronger the signal), and the transmit rate in megabits per second showing actual network throughput. If you hover the cursor over the name of a network to which you're not connected, a little yellow pop-up shows the signal strength and type of encryption.
Using an iPad to Improve Your Photography