There is no 'science' in 'technology'

That's what Channel 9 says:

 

Steve Crawley, an executive sports producer with the network, said some of the innovations could not be entirely relied upon.

 

"I'd hate us to be involved in the judicial system of cricket," Crawley told the Sydney Morning Herald. "We've only got one thing 100% backed up by science and that's Hot Spot; the others aren't 100%.

 

Umm... technology cannot help…. So how can we eliminate umpiring errors?