There are about 7100 living languages in the World and out of these only about 3900 have their own scripts. It means about 3200 linguistic communities don’t have any means to read and write. Many languages have vanished and many are vanishing because their sole speakers leave no written record. Another unfortunate thing is illiteracy – many people born in any linguistic community having script could not learn to read and write. Finally we have individuals living in a linguistic community having a script but they are in some way physically challenged that they and other people are not able to communicate properly. They may have their special script but others are not so well trained in special scripts meant for challenged individuals. The difficulties are not only for them but also for their families, friends and anyone coming in their contact and wishes to communicate something. What is the main problem? Why communities failed to develop their script? Why individuals fail to learn read...