The deal, hailed by Obama, calls for a verifiable freeze on Iran's most sensitive atomic work in return for limited sanctions relief.

Füle asked the authorities to consult relevant amendments to laws before adoption to make sure they’re in line with principles of EU legislation.”

YouTube said the comment-management page will continue to be updated with more features like inline replying and expanding all replies.

The biggest deal in Google's history to date was its acquisition of mobile phone firm Motorola Mobility for $12.5bn in August 2011.