http://www.skysports.com/story/0,19528,11095_5357686,00.html

Looks like the Fifth Official program will be tested during the Europa League next year. You have to ask yourselves though why UEFA (or FIFA for that matter) seem to be against using technology...

On a side note: why did the EURO cup turn into the Europa league?

Because all and sundry have been roped in to fill the coffers of UEFA