One Way To Prevent Your Card From Being Cloned

Some identity thieves use the contactless payment functionality found in cards to copy them.

Use a plastic card holder and get a pair of useless shop loyalty cards.

Having dummy cards on either side shields the valuable cards in between.

Contactless Payments Coming Up!!! - Diabolical Secrets

UPDATE: It is now 12th June 2014 and there are voice announcements playing on the buses saying "Cash will no longer be accepted on buses"... 

There is no reason for me to lie and there's no reason to not believe this (reverse as appropriate).

"Soo, an insider source has told me that the privatised Transport for London is currently (8/2013) training their staff to work with and administer 'Contactless Payment' scheduled to be in use "by 2016."