As an it ambassador of the future what will be I contribution towards the development of ICT in Malaysia????????????

huuuhh...the question is very difficulty to me..
if I have opportunity or chance I want develop one system which can use in mall..
it's mean at the mall no have cashier,the buyer must scan the goods or object
and then pay use the credit or bank card...

But to develop the system i must to make preparation like do analysis...
I must know the advantages and disadvantages the system..the effect or benefit the system to all people and surrounding...