Smoke and sound.
Newspaper, Mail, Talking to each other.
they didn't use electricity they used other things
If they are members you can post a message on their message board.
yes people in rwanda do have electricity not the all parts of the country, there are also remote rural areas where there is no electricity but other sources of energy are used.
You can shock other people Major Funny
You can message other people either by sending notes to other PSN users on your friends list, or via Skype.
People use a lot of electricity, and often need to obtain it from many different sources in order to get enough. It is also true that windmills have other uses than the generation of electricity, and they were in use centuries before electricity came into use. You can mill grain without electricity, by connecting millstones to an axle, which is turned by the wind.
People didn't have cellphones, or computers, and all that other stuff. So delivering people used boats to give people the message that they had received from somebody.
Electricity is a basic need in a nation. But not only thus it can contribute economically it can also help people. Because with electricity you can read book, chat with other people and many things. Electricity is bought by money so if one place can make electricity,surely it can transport electric energy to other places and get lots of money.
The purpose of an email is so you can message people and recive messages from other people
people from around the world tell other people
Someone might be able to message other people through your number by cloning your cell phone. This is a system that allows a person to copy your cell and its information exactly.