You can find activists who count on Vpn service to acquire all around authorities censors to communicate using the rest of the world. Obviously, which might be up against the regulation in nations with rigid censorship, so take care.
Many of us have heard of the Raspberry Pi in the past. It may sound like a food but is anything but. It is a great tool for folks who want to try exciting electronics projects. This infographic from WhoIsHostingThis shows you how to get started with it: