Aim to found

 

• To reduce usage of papers and cut trees.  As a result to protect the environment.
• To prevent discharging of carbon dioxide and heat energy when use burning system to treat waste papers.  It can slow down the rate to raise the earth temperature.
• It may produce much small particles float on air when it burns. We can have more chance to smell fresh air if we do not burn.
• No need to put more money on handling large amount of wasted papers.

• Students only use electric net book/note book to learn most lessons.  No more heavy school bags are needed and let them grow healthy.
• No more worry about forget to bring along with the books for lectures. It will cause inconvenience.
• Let the youths to learn more how to get information from Internet at earliest time.

 

• The prices of lands in Hong Kong are very expensive.  We may not spare more spaces to place drawers to store lecture books or papers.  We may save more and have more living spaces.
• No. more spaces are needed to put lockers for students to store books.  It will leave more empty spaces in college.

• Publishing houses may amend the contents very easy every time.  Even though they can amend just before selling.
• Publishing houses do not need to worry about the quantity to print.  Too much are wasting money and paper, and it will add the cost.  Too small amount cannot give enough supply to all students. 
• No printing and papers are needed, publishing house may reduce their costs.  At the end, the end user may not pay a lot.

 

• Some parents cannot afford to buy new books.  They prefer to buy second hand books for children.  This will increase the chance to affect their health if there are disease.
• Parents may not worry about that they will buy old versions by mistakes.
• Parents also may not worry about shortage of supply of the books.  Or they cannot buy before school beginning.