arstechnica, December 27, 2012, 10 Raspberry Pi creations that show how amazing the tiny PC can be
Techcrunch, October 2012, Getting Started With The Raspberry Pi Is Not As Easy As Pie
Though the Model A doesn't have an RJ45 Ethernet port, it can connect to a network by using a user-supplied USB Ethernet or Wi-Fi adapter. There is in reality no difference between a model A with an external Ethernet adapter and a model B with one built in, because the Ethernet port of the model B is actually a built-in USB Ethernet adapter.
ARM processor, 512MB of RAM, and operating system on a memory card, size of a credit card, can plug in a keyboard and mouse, HDMI cable to television or a monitor, connected it to a mobile charger. Turn it off/on by unplugging or plugging it in.