Tools such as Google Chat and Google Mail are beta products, requiring users to give feedback on problems and suggestions.

BBC: Google is the world's dominant search engine

Mr Cook said he saw news of the helicopter crash later that day, which contained suggestions of engine problems and erratic flying.

BBC: Wind link to Colin McRae helicopter crash

And there have been suggestions that there were problems with coursework from last year.

BBC: A-level marking 'grossly unjust'

Not only did the counselor ask me detailed questions about my dog's breed, age and playing habits, she went on to patiently answer questions and make innovative suggestions for curbing aggravating housetraining problems.

CNN: Site-Seer: Fetching an obedient dog from the Web

In Belfast, Professor Womersley refuted suggestions from the community that many of the current problems stemmed from bungling of the merger between STFC and CCLRC.

BBC: Astronomers 'must make own case'

Nadal, who last November played down suggestions that his career was in doubt because of a foot injury, had few problems in the opening set against a player featuring in the main draw of an ATP event for the sixth time.

BBC: Winning start for Nadal in India