Online Media Daily reports that SEM firm iCrossing is acquiring Spannerworks, a U.K. based SEM company. The company also has a presence in social networking. Their social media audit tells companies how their brands are perceived online, and who the key influencers are.

The acquisition adds to the company's present list of offices in Atlanta, Chicago, New York, Dallas, San Francisco, and Scottsdale, Ariz. the aqcuisition will be most probably be announced on Monday.

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