David Pogue reviews the Barnes & Noble Nook electronic reader at the New York Times, and finds it a poor competitor to the Kindle for identical features, while its unique features don't measure up to a real difference. 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.
- ExtraBITS for 14 December 2009 (14 Dec 09)
Pogue Finds B&N Nook a Weak Digital Reader
And honestly, I don't think either Amazon or B&N would really care that much - both are booksellers, not gadget-makers, and would probably do well to focus on their core businesses.