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http://forum.lowyat.net/topic/593237/+2500

It won't be valueless.

If you are a exporter, payment generally or majority will be done in USD.

Second largest economy now is China, but just about 30% of US economy.

Any turmoil and market fear, all flock to USD as safe heaven.

Majority of commodities trade in USD, be it oil, gold, copper and many many more, it just mean those delivery is settled with USD. So you need USD.

As long as US is the sole superpower, biggest economy, it won't be valueless. Depreciate in value, yes, but won't be valueless.

Market is see-saw, up down up down in a tight range.