Rhapsody will acquire its iconic competitor Napster from Best Buy with the tech retailer taking shares in Rhapsody as part of the deal.

Wattbox's technology detects when homeowners are away through a smart meter and automatically adjusts the heating controls leading to a 15% decrease in energy and hot water costs.

The deal between Glam Media and Ning will create a social media content company with more than 240 million users and 100,000 publishers.

The social media monitoring service has pulled in series A funding from Credit Agricole at the same time as it acquires American competitor ReviewAnalyst.

DailyDeal has become the second deal-a-day site acquired by Google in as many months, as it seeks to expand its own service.

Textbook rental company Chegg will acquire Zinch, with a view to creating a fuller and more wide ranging service.

In February, Intel Capital-backed Vostu, a Spanish-language social networking and gaming site focused on Brazil, raised $30m in its series C round, according to a report by news provider New York Times.

Right Hemisphere will become the latest acquisition by SAP, which has been backing the 3-D software company since 2007 through its corporate venturing unit.

The renewable energy company acquires competitor Coastal Supply, after obtaining an extra $1.3m in funding four days before.