On this week's World Tech Update we take a look at news from Mobile World Congress in Barcelona including Microsofts preview of Windows Phone 7 Series, plans from Nokia and Intel to merge their mobile operating systems, new cell phones from Sony Ericsson and Samsung and Googles addition of Flash to its Android operating system. Taking a break from MWC well also look at an electric concept car from Rinspeed and gadgets from the American International Toy Fair in New York.
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