Answer:
It can improve the quality of human life because it can be used as a learning and education media, the mass communication media in promoting and campaigning practical and important issues, such as the health and social area. It provides wider knowledge and can help in gaining and accessing information.
Answer:
The answer to the riddle is Someone's heart. People's heart can be seen. It can even be moved but can't be seen. Hence, the answer to What can be touched but can't be seen?
