So far in Latin America, makers of GSM networks and handsets like Nokia, Alcatel and Siemens AG have been the winners, but there's no absolute guarantee that GSM technologies will ultimately prevail there.
We're also very clear that there has to be an absolute guarantee that the Good Friday Agreement is maintained for peace in Northern Ireland.
John Negroponte, the US ambassador to Baghdad, admitted there was no "absolute guarantee" that all Iraqis would be able to vote on the day.
"The IPCC, which is a peer review body" An absolute guarantee of accuracy, especially in climate science.
But he told BBC Radio 4's Today programme he gave an "absolute guarantee" that merging and sharing services would not compromise the political sovereignty of the three councils.
"We are giving an absolute guarantee to those living in Scotland, in receipt of the UK state pension at the time of independence, that their pensions will continue to be paid in full and on time, as now".
Sean McKeon, a registered investment adviser at DAL Investment in San Francisco, is not troubled that the insurance is not an absolute guarantee.
The Pentagon and Congressional Republicans have not budged from their insistence on an absolute guarantee that no American in service abroad, military or civilian, will ever be tried.
But there is no absolute guarantee that only the listed ingredients are used because beer is not regulated like food by the US government.
But as Joe says, there can never be an absolute guarantee.
It's not an absolute guarantee of quality, but half the battle".
