Part 1 of Essay
Security will tighten over the years. In order to ensure proper authorization communities will move away from relying upon signatures and photo identification. The new medium will be retina scanning. People have the ability to forge signatures and create phony identification; however scanning the retina is a unique way ....

Part 2 of Essay
.... account upon comparing the customer’s retina scan with the one in the database of the account owner and making sure the funds are available to cover the entire purchase. If the purchase is approved the account will be debited in real-time. Transactions can be denied for lack of funds, retina scans not matching, the person has missed a court date or is wanted by the government for questioning or committing a crime. If the transaction is denied, the reason is displayed on the cashier’s screen and security is im ....