When 3-D comes to television sets, the studios will also have the option of charging more for 3-D DVDs and reissuing their libraries in 3-D.

FORBES: 3-D Is The New DVD

"The statement from the Catholic Heads Association sets out what is patently obvious, that the best option is regulation - that is what I have spent my time in office trying to bring about, " she said.

BBC: Principals back selection tests