One of the 'mystery' barges in San Francisco Bay
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Google will use new barges 'as learning spaces'

7 November 2013 Last updated at 17:36 GMT

The mystery of why Google has moored two barges off the US coast appears to have been solved.

The search giant has issued a statement saying it intends to use the structures as learning spaces for people to find out about new tech.

The BBC's North America technology correspondent Richard Taylor reports.