Internet Protocol (IP) is a numerical identifier for every gadget or network for users accessing the internet. The IP address of a user contains information like location, network identification, ...
The Raspberry Pi 500+ is arriving for $200, and offers more RAM and storage than the regular 500 model. It also adopts mechanical key switches instead of membrane keys.
For a little extra, you can get a desktop kit with your new Raspberry Pi 500+ that includes a mouse, power supply, HDMI, and more.