"What's different this time round is that instead of having one new extension every few years we will have hundreds coming out in one year, " said domain investor and blogger Michael Berkens.

BBC: New domain name endings set to shake up the net

Real announced last month that he would be leaving, despite having signed a contract extension until 2016.

CNN: 'Special One' Mourinho returns to Chelsea

Having signed a contract extension until 2012, Drogba is hoping to add to his two Premier League winners' medals and earn Champions League glory, having lost the 2008 final to Manchester United.

BBC: Drogba wants Chelsea goal record

But now, with President Obama having agreed to a two year extension of the Bush tax cuts for everyone, including millionaires and billionaires, the 2011 and 2012 option could be more attractive.

FORBES: Obama Tax Deal Would Sweeten Roth Conversions

In some circumstances, taxpayers get an extension of time to file without having to ask.

FORBES: Not Ready To File Your Taxes? Extension Form, Details Available

Both would retain the ability to significantly influence the industry by having full control over the staffing of key positions and the extension of leases.

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Beyond that, an extension only adds to the great uncertainty that is already having an impact on markets in the economy.

WHITEHOUSE: Press Briefing

Even the coach knew he was a lame duck, having the option on his contact picked up last summer but not getting an extension.

NPR: Pacers Finish Off Hawks, Win Game 6 81-73

Having expired, why did they not simply go to the judge and ask for an extension?

FORBES: Scalia Finds 18th-Century Precedent For GPS Search

Western Isles SNP MP Angus MacNeil welcomed the extension but added that Scotland could still be left in the "bizarre situation" of having no tugs over the winter.

BBC: Three-month extension' for Scotland's coastguard tugs