New technologies unleashed at show

are not the only innovations making a splash at the three-day event

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The first technologies have been unveiled at the 2012 International Consumer Electronics Show (CES).

Waterproof smartphone coatings, diet-aiding armbands and a social network that warns drivers of the latest police speed-traps were all on show.

Microsoft's chief executive Steve Ballmer will present his company's last keynote at the three-day event.

The firm's pullout has led several attendees to speculate if the trade show will be a smaller event in future.

But if that is CES's fate you would not know it from the throng of press, analysts, executives and PRs packed into a huge hotel conference room for the first teaser event - CES Unveiled.