Others are concerned that there could be problems in Europe as it moves to a single currency.
It is a very ambitious Copa - possibly too ambitious, and there could be problems along the way.
However, Mr Baglow recognises there could be problems with such games.
Link acknowledged that there could be problems enforcing the code if one spammer tried to get a rival shut down by sending junk mail on their behalf.
Dr Lutman believes there could be further problems if, in the future, GM beet and rape were grown in rotation with cereals which were also genetically modified to be tolerant to the same herbicide.
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"There's a bunch of questions that need to be answered because there are ways that this could end up causing problems for Internet users, " such as the bureaucratic headache of being falsely accused, said David Sohn, general counsel for the Center for Democracy and Technology, a Washington-based civil liberties group.
And I guess it could be substantial down there, if they wanted to cause problems for us and exert their influence down there.
Obviously, all the region's problems could be dealt with more effectively if there were more trust in the atmosphere.
While there were "irritants on both sides", such problems could not be used "as an excuse to do nothing", he said.
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Would there be problems if, say, the October date meant that shoppers could still have bank accounts in francs and marks while shopkeepers were giving them euros?
He felt there may be even more problems if we didn't play, and you could not argue with that advice or logic if that was what he felt, no matter how irrelevant you regarded a football match as being after lives were lost.
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Mr Barron said he hoped the geological problems at the pit could be solved and that mining could continue there.
There are, however, problems to resolve: participation is not as high as it could be, with new member states in central and eastern Europe among the conspicuously missing, and uncertainty about the next round of allocations is holding back companies in western Europe too.
So, while there are usually any number of problems that could crop up and it is probably a good thing to be aware of them, it is more important to be able to objectively identify what is driving the market at any given moment.
It should be noted that, while this is a valid option to consider, there are pitfalls that could really cause you problems.
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