It would also speed up booking and flight scheduling for if use din conjunction with their automated booking and ticketing system it would indeed lessen the length of lines at airports. The most significant problem with RFID is that it is an active system that can be accessed, re-programmed and cloned into a number of identical copies, defeating the security purpose it was said to defeat. RFID tags unlike passive tags are easier to re-program for a user with the right tool can detect the needed information from a passport, encode it onto a new one and then be off on his way without anybody knowing about it. Tools and methods are widely available to programmers and hackers so the high-tech passport is truly just another waste of taxpayer money.